Finding the Fourth Proportional to 9,354.28, 12,908.88 and 5,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,354.28 : 12,908.88 = 5,162.50 : x
2. Step 2: Convert to fraction form
   9,354.28/12,908.88 = 5,162.50/x
3. Step 3: Cross multiply
   9,354.28x = 12,908.88 × 5,162.50
4. Step 4: Simplify right side
   9,354.28x = 66,642,093.00
5. Step 5: Solve for x
   x = 66,642,093.00/9,354.28
6. Step 6: Final answer
   x = 7,124.24