Finding the Fourth Proportional to 11,358.28, 15,672.50 and 7,108.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,358.28 : 15,672.50 = 7,108.84 : x
2. Step 2: Convert to fraction form
   11,358.28/15,672.50 = 7,108.84/x
3. Step 3: Cross multiply
   11,358.28x = 15,672.50 × 7,108.84
4. Step 4: Simplify right side
   11,358.28x = 111,413,294.90
5. Step 5: Solve for x
   x = 111,413,294.90/11,358.28
6. Step 6: Final answer
   x = 9,808.99