Finding the Fourth Proportional to 59,436.37, 89,293.88 and 56,073.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59,436.37 : 89,293.88 = 56,073.79 : x
2. Step 2: Convert to fraction form
   59,436.37/89,293.88 = 56,073.79/x
3. Step 3: Cross multiply
   59,436.37x = 89,293.88 × 56,073.79
4. Step 4: Simplify right side
   59,436.37x = 5,007,046,275.41
5. Step 5: Solve for x
   x = 5,007,046,275.41/59,436.37
6. Step 6: Final answer
   x = 84,242.13