Finding the Fourth Proportional to 59,041.81, 88,171.37 and 51,887.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,041.81 : 88,171.37 = 51,887.89 : x
2. Step 2: Convert to fraction form
   59,041.81/88,171.37 = 51,887.89/x
3. Step 3: Cross multiply
   59,041.81x = 88,171.37 × 51,887.89
4. Step 4: Simplify right side
   59,041.81x = 4,575,026,088.27
5. Step 5: Solve for x
   x = 4,575,026,088.27/59,041.81
6. Step 6: Final answer
   x = 77,487.90