Finding the Fourth Proportional to 986,411.93, 1,361,144.52 and 572,868.05

Step by Step Solution

1. Step 1: Write the proportion equation
   986,411.93 : 1,361,144.52 = 572,868.05 : x
2. Step 2: Convert to fraction form
   986,411.93/1,361,144.52 = 572,868.05/x
3. Step 3: Cross multiply
   986,411.93x = 1,361,144.52 × 572,868.05
4. Step 4: Simplify right side
   986,411.93x = 779,756,200,134.86
5. Step 5: Solve for x
   x = 779,756,200,134.86/986,411.93
6. Step 6: Final answer
   x = 790,497.54