Finding the Fourth Proportional to 1,016,397.59, 1,522,563.61 and 611,366.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,397.59 : 1,522,563.61 = 611,366.10 : x
2. Step 2: Convert to fraction form
   1,016,397.59/1,522,563.61 = 611,366.10/x
3. Step 3: Cross multiply
   1,016,397.59x = 1,522,563.61 × 611,366.10
4. Step 4: Simplify right side
   1,016,397.59x = 930,843,776,247.62
5. Step 5: Solve for x
   x = 930,843,776,247.62/1,016,397.59
6. Step 6: Final answer
   x = 915,826.43