Finding the Fourth Proportional to 10,172.91, 15,261.67 and 5,492.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,172.91 : 15,261.67 = 5,492.83 : x
2. Step 2: Convert to fraction form
   10,172.91/15,261.67 = 5,492.83/x
3. Step 3: Cross multiply
   10,172.91x = 15,261.67 × 5,492.83
4. Step 4: Simplify right side
   10,172.91x = 83,829,758.83
5. Step 5: Solve for x
   x = 83,829,758.83/10,172.91
6. Step 6: Final answer
   x = 8,240.49