Finding the Fourth Proportional to 67,812.30, 93,561.98 and 39,512.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,812.30 : 93,561.98 = 39,512.52 : x
2. Step 2: Convert to fraction form
   67,812.30/93,561.98 = 39,512.52/x
3. Step 3: Cross multiply
   67,812.30x = 93,561.98 × 39,512.52
4. Step 4: Simplify right side
   67,812.30x = 3,696,869,704.77
5. Step 5: Solve for x
   x = 3,696,869,704.77/67,812.30
6. Step 6: Final answer
   x = 54,516.21