Finding the Fourth Proportional to 9,040.68, 12,454.56 and 7,436.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.68 : 12,454.56 = 7,436.88 : x
2. Step 2: Convert to fraction form
   9,040.68/12,454.56 = 7,436.88/x
3. Step 3: Cross multiply
   9,040.68x = 12,454.56 × 7,436.88
4. Step 4: Simplify right side
   9,040.68x = 92,623,068.17
5. Step 5: Solve for x
   x = 92,623,068.17/9,040.68
6. Step 6: Final answer
   x = 10,245.14