Finding the Fourth Proportional to 59,405.87, 89,248.15 and 56,043.29

Step by Step Solution

1. Step 1: Write the proportion equation
   59,405.87 : 89,248.15 = 56,043.29 : x
2. Step 2: Convert to fraction form
   59,405.87/89,248.15 = 56,043.29/x
3. Step 3: Cross multiply
   59,405.87x = 89,248.15 × 56,043.29
4. Step 4: Simplify right side
   59,405.87x = 5,001,759,952.41
5. Step 5: Solve for x
   x = 5,001,759,952.41/59,405.87
6. Step 6: Final answer
   x = 84,196.39