Finding the Fourth Proportional to 9,361.56, 12,932.24 and 7,485.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,361.56 : 12,932.24 = 7,485.60 : x
2. Step 2: Convert to fraction form
   9,361.56/12,932.24 = 7,485.60/x
3. Step 3: Cross multiply
   9,361.56x = 12,932.24 × 7,485.60
4. Step 4: Simplify right side
   9,361.56x = 96,805,575.74
5. Step 5: Solve for x
   x = 96,805,575.74/9,361.56
6. Step 6: Final answer
   x = 10,340.75