Finding the Fourth Proportional to 10,217.52, 14,079.29 and 7,379.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,217.52 : 14,079.29 = 7,379.87 : x
2. Step 2: Convert to fraction form
   10,217.52/14,079.29 = 7,379.87/x
3. Step 3: Cross multiply
   10,217.52x = 14,079.29 × 7,379.87
4. Step 4: Simplify right side
   10,217.52x = 103,903,222.60
5. Step 5: Solve for x
   x = 103,903,222.60/10,217.52
6. Step 6: Final answer
   x = 10,169.12