Finding the Fourth Proportional to 1,062,574,978.80, 1,466,823,728.60 and 686,415,018.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,574,978.80 : 1,466,823,728.60 = 686,415,018.24 : x
2. Step 2: Convert to fraction form
   1,062,574,978.80/1,466,823,728.60 = 686,415,018.24/x
3. Step 3: Cross multiply
   1,062,574,978.80x = 1,466,823,728.60 × 686,415,018.24
4. Step 4: Simplify right side
   1,062,574,978.80x = 1,006,849,836,421,833,728
5. Step 5: Solve for x
   x = 1,006,849,836,421,833,728/1,062,574,978.80
6. Step 6: Final answer
   x = 947,556,508.02