Finding the Fourth Proportional to 10,089.78, 15,114.15 and 7,465.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.78 : 15,114.15 = 7,465.11 : x
2. Step 2: Convert to fraction form
   10,089.78/15,114.15 = 7,465.11/x
3. Step 3: Cross multiply
   10,089.78x = 15,114.15 × 7,465.11
4. Step 4: Simplify right side
   10,089.78x = 112,828,792.31
5. Step 5: Solve for x
   x = 112,828,792.31/10,089.78
6. Step 6: Final answer
   x = 11,182.48