Finding the Fourth Proportional to 10,152.88, 15,192.42 and 8,381.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,152.88 : 15,192.42 = 8,381.41 : x
2. Step 2: Convert to fraction form
   10,152.88/15,192.42 = 8,381.41/x
3. Step 3: Cross multiply
   10,152.88x = 15,192.42 × 8,381.41
4. Step 4: Simplify right side
   10,152.88x = 127,333,957.88
5. Step 5: Solve for x
   x = 127,333,957.88/10,152.88
6. Step 6: Final answer
   x = 12,541.65