Finding the Fourth Proportional to 1,561,753,399.82, 2,155,223,784.31 and 847,288,916.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,753,399.82 : 2,155,223,784.31 = 847,288,916.06 : x
2. Step 2: Convert to fraction form
   1,561,753,399.82/2,155,223,784.31 = 847,288,916.06/x
3. Step 3: Cross multiply
   1,561,753,399.82x = 2,155,223,784.31 × 847,288,916.06
4. Step 4: Simplify right side
   1,561,753,399.82x = 1,826,097,224,061,856,512
5. Step 5: Solve for x
   x = 1,826,097,224,061,856,512/1,561,753,399.82
6. Step 6: Final answer
   x = 1,169,260,924.47