Finding the Fourth Proportional to 10,866.50, 15,002.54 and 7,469.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.50 : 15,002.54 = 7,469.36 : x
2. Step 2: Convert to fraction form
   10,866.50/15,002.54 = 7,469.36/x
3. Step 3: Cross multiply
   10,866.50x = 15,002.54 × 7,469.36
4. Step 4: Simplify right side
   10,866.50x = 112,059,372.17
5. Step 5: Solve for x
   x = 112,059,372.17/10,866.50
6. Step 6: Final answer
   x = 10,312.37