Finding the Fourth Proportional to 9,740.16, 13,442.20 and 5,548.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,740.16 : 13,442.20 = 5,548.72 : x
2. Step 2: Convert to fraction form
   9,740.16/13,442.20 = 5,548.72/x
3. Step 3: Cross multiply
   9,740.16x = 13,442.20 × 5,548.72
4. Step 4: Simplify right side
   9,740.16x = 74,587,003.98
5. Step 5: Solve for x
   x = 74,587,003.98/9,740.16
6. Step 6: Final answer
   x = 7,657.68