Finding the Fourth Proportional to 59,772.61, 89,409.21 and 42,002.02

Step by Step Solution

1. Step 1: Write the proportion equation
   59,772.61 : 89,409.21 = 42,002.02 : x
2. Step 2: Convert to fraction form
   59,772.61/89,409.21 = 42,002.02/x
3. Step 3: Cross multiply
   59,772.61x = 89,409.21 × 42,002.02
4. Step 4: Simplify right side
   59,772.61x = 3,755,367,426.60
5. Step 5: Solve for x
   x = 3,755,367,426.60/59,772.61
6. Step 6: Final answer
   x = 62,827.56