Finding the Fourth Proportional to 10,903.88, 15,014.76 and 10,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,903.88 : 15,014.76 = 10,658.72 : x
2. Step 2: Convert to fraction form
   10,903.88/15,014.76 = 10,658.72/x
3. Step 3: Cross multiply
   10,903.88x = 15,014.76 × 10,658.72
4. Step 4: Simplify right side
   10,903.88x = 160,038,122.71
5. Step 5: Solve for x
   x = 160,038,122.71/10,903.88
6. Step 6: Final answer
   x = 14,677.17