Finding the Fourth Proportional to 1,665,676,656.28, 2,298,633,810.42 and 923,168,548.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,676,656.28 : 2,298,633,810.42 = 923,168,548.72 : x
2. Step 2: Convert to fraction form
   1,665,676,656.28/2,298,633,810.42 = 923,168,548.72/x
3. Step 3: Cross multiply
   1,665,676,656.28x = 2,298,633,810.42 × 923,168,548.72
4. Step 4: Simplify right side
   1,665,676,656.28x = 2,122,026,438,804,155,136
5. Step 5: Solve for x
   x = 2,122,026,438,804,155,136/1,665,676,656.28
6. Step 6: Final answer
   x = 1,273,972,610.95