Finding the Fourth Proportional to 67,031.92, 92,493.76 and 38,732.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,031.92 : 92,493.76 = 38,732.12 : x
2. Step 2: Convert to fraction form
   67,031.92/92,493.76 = 38,732.12/x
3. Step 3: Cross multiply
   67,031.92x = 92,493.76 × 38,732.12
4. Step 4: Simplify right side
   67,031.92x = 3,582,479,411.57
5. Step 5: Solve for x
   x = 3,582,479,411.57/67,031.92
6. Step 6: Final answer
   x = 53,444.38