Finding the Fourth Proportional to 404,789,389,601.31, 607,252,347,499.73 and 136,114,502,461.47

Step by Step Solution

1. Step 1: Write the proportion equation
   404,789,389,601.31 : 607,252,347,499.73 = 136,114,502,461.47 : x
2. Step 2: Convert to fraction form
   404,789,389,601.31/607,252,347,499.73 = 136,114,502,461.47/x
3. Step 3: Cross multiply
   404,789,389,601.31x = 607,252,347,499.73 × 136,114,502,461.47
4. Step 4: Simplify right side
   404,789,389,601.31x = 82,655,851,148,485,425,364,992
5. Step 5: Solve for x
   x = 82,655,851,148,485,425,364,992/404,789,389,601.31
6. Step 6: Final answer
   x = 204,194,707,845.22