Finding the Fourth Proportional to 662,061.70, 991,763.34 and 560,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   662,061.70 : 991,763.34 = 560,424.52 : x
2. Step 2: Convert to fraction form
   662,061.70/991,763.34 = 560,424.52/x
3. Step 3: Cross multiply
   662,061.70x = 991,763.34 × 560,424.52
4. Step 4: Simplify right side
   662,061.70x = 555,808,493,773.10
5. Step 5: Solve for x
   x = 555,808,493,773.10/662,061.70
6. Step 6: Final answer
   x = 839,511.63