Finding the Fourth Proportional to 1,013,900.49, 1,399,086.96 and 605,921.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,900.49 : 1,399,086.96 = 605,921.10 : x
2. Step 2: Convert to fraction form
   1,013,900.49/1,399,086.96 = 605,921.10/x
3. Step 3: Cross multiply
   1,013,900.49x = 1,399,086.96 × 605,921.10
4. Step 4: Simplify right side
   1,013,900.49x = 847,736,309,798.86
5. Step 5: Solve for x
   x = 847,736,309,798.86/1,013,900.49
6. Step 6: Final answer
   x = 836,113.92