Finding the Fourth Proportional to 9,629.60, 13,284.90 and 7,387.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,629.60 : 13,284.90 = 7,387.52 : x
2. Step 2: Convert to fraction form
   9,629.60/13,284.90 = 7,387.52/x
3. Step 3: Cross multiply
   9,629.60x = 13,284.90 × 7,387.52
4. Step 4: Simplify right side
   9,629.60x = 98,142,464.45
5. Step 5: Solve for x
   x = 98,142,464.45/9,629.60
6. Step 6: Final answer
   x = 10,191.75