Finding the Fourth Proportional to 59,855.59, 89,809.83 and 31,385.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,855.59 : 89,809.83 = 31,385.75 : x
2. Step 2: Convert to fraction form
   59,855.59/89,809.83 = 31,385.75/x
3. Step 3: Cross multiply
   59,855.59x = 89,809.83 × 31,385.75
4. Step 4: Simplify right side
   59,855.59x = 2,818,748,871.92
5. Step 5: Solve for x
   x = 2,818,748,871.92/59,855.59
6. Step 6: Final answer
   x = 47,092.49