Finding the Fourth Proportional to 9,387.28, 12,954.04 and 5,612.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.28 : 12,954.04 = 5,612.52 : x
2. Step 2: Convert to fraction form
   9,387.28/12,954.04 = 5,612.52/x
3. Step 3: Cross multiply
   9,387.28x = 12,954.04 × 5,612.52
4. Step 4: Simplify right side
   9,387.28x = 72,704,808.58
5. Step 5: Solve for x
   x = 72,704,808.58/9,387.28
6. Step 6: Final answer
   x = 7,745.03