Finding the Fourth Proportional to 1,012,379.88, 1,397,113.39 and 559,700.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,379.88 : 1,397,113.39 = 559,700.04 : x
2. Step 2: Convert to fraction form
   1,012,379.88/1,397,113.39 = 559,700.04/x
3. Step 3: Cross multiply
   1,012,379.88x = 1,397,113.39 × 559,700.04
4. Step 4: Simplify right side
   1,012,379.88x = 781,964,411,882.72
5. Step 5: Solve for x
   x = 781,964,411,882.72/1,012,379.88
6. Step 6: Final answer
   x = 772,402.17