Finding the Fourth Proportional to 43,062,513.80, 64,606,212.30 and 12,771,105.80

Step by Step Solution

1. Step 1: Write the proportion equation
   43,062,513.80 : 64,606,212.30 = 12,771,105.80 : x
2. Step 2: Convert to fraction form
   43,062,513.80/64,606,212.30 = 12,771,105.80/x
3. Step 3: Cross multiply
   43,062,513.80x = 64,606,212.30 × 12,771,105.80
4. Step 4: Simplify right side
   43,062,513.80x = 825,092,772,620,561.38
5. Step 5: Solve for x
   x = 825,092,772,620,561.38/43,062,513.80
6. Step 6: Final answer
   x = 19,160,348.52