Finding the Fourth Proportional to 9,052.56, 12,499.92 and 7,374.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052.56 : 12,499.92 = 7,374.24 : x
2. Step 2: Convert to fraction form
   9,052.56/12,499.92 = 7,374.24/x
3. Step 3: Cross multiply
   9,052.56x = 12,499.92 × 7,374.24
4. Step 4: Simplify right side
   9,052.56x = 92,177,410.06
5. Step 5: Solve for x
   x = 92,177,410.06/9,052.56
6. Step 6: Final answer
   x = 10,182.47