Finding the Fourth Proportional to 65,100.87, 89,789.52 and 56,041.11

Step by Step Solution

1. Step 1: Write the proportion equation
   65,100.87 : 89,789.52 = 56,041.11 : x
2. Step 2: Convert to fraction form
   65,100.87/89,789.52 = 56,041.11/x
3. Step 3: Cross multiply
   65,100.87x = 89,789.52 × 56,041.11
4. Step 4: Simplify right side
   65,100.87x = 5,031,904,367.17
5. Step 5: Solve for x
   x = 5,031,904,367.17/65,100.87
6. Step 6: Final answer
   x = 77,293.96