Finding the Fourth Proportional to 1,012,418.82, 1,397,077.98 and 559,682.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,418.82 : 1,397,077.98 = 559,682.82 : x
2. Step 2: Convert to fraction form
   1,012,418.82/1,397,077.98 = 559,682.82/x
3. Step 3: Cross multiply
   1,012,418.82x = 1,397,077.98 × 559,682.82
4. Step 4: Simplify right side
   1,012,418.82x = 781,920,543,606.30
5. Step 5: Solve for x
   x = 781,920,543,606.30/1,012,418.82
6. Step 6: Final answer
   x = 772,329.13