Finding the Fourth Proportional to 9,740.17, 13,442.12 and 5,548.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,740.17 : 13,442.12 = 5,548.42 : x
2. Step 2: Convert to fraction form
   9,740.17/13,442.12 = 5,548.42/x
3. Step 3: Cross multiply
   9,740.17x = 13,442.12 × 5,548.42
4. Step 4: Simplify right side
   9,740.17x = 74,582,527.45
5. Step 5: Solve for x
   x = 74,582,527.45/9,740.17
6. Step 6: Final answer
   x = 7,657.21