Finding the Fourth Proportional to 59,771.61, 89,407.71 and 42,001.02

Step by Step Solution

1. Step 1: Write the proportion equation
   59,771.61 : 89,407.71 = 42,001.02 : x
2. Step 2: Convert to fraction form
   59,771.61/89,407.71 = 42,001.02/x
3. Step 3: Cross multiply
   59,771.61x = 89,407.71 × 42,001.02
4. Step 4: Simplify right side
   59,771.61x = 3,755,215,015.86
5. Step 5: Solve for x
   x = 3,755,215,015.86/59,771.61
6. Step 6: Final answer
   x = 62,826.06