Finding the Fourth Proportional to 10,165.17, 15,238.98 and 3,929.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,165.17 : 15,238.98 = 3,929.55 : x
2. Step 2: Convert to fraction form
   10,165.17/15,238.98 = 3,929.55/x
3. Step 3: Cross multiply
   10,165.17x = 15,238.98 × 3,929.55
4. Step 4: Simplify right side
   10,165.17x = 59,882,333.86
5. Step 5: Solve for x
   x = 59,882,333.86/10,165.17
6. Step 6: Final answer
   x = 5,890.93