Finding the Fourth Proportional to 59,493.30, 89,143.47 and 31,411.86

Step by Step Solution

1. Step 1: Write the proportion equation
   59,493.30 : 89,143.47 = 31,411.86 : x
2. Step 2: Convert to fraction form
   59,493.30/89,143.47 = 31,411.86/x
3. Step 3: Cross multiply
   59,493.30x = 89,143.47 × 31,411.86
4. Step 4: Simplify right side
   59,493.30x = 2,800,162,199.55
5. Step 5: Solve for x
   x = 2,800,162,199.55/59,493.30
6. Step 6: Final answer
   x = 47,066.85