Finding the Fourth Proportional to 9,925.54, 13,697.42 and 5,449.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.54 : 13,697.42 = 5,449.48 : x
2. Step 2: Convert to fraction form
   9,925.54/13,697.42 = 5,449.48/x
3. Step 3: Cross multiply
   9,925.54x = 13,697.42 × 5,449.48
4. Step 4: Simplify right side
   9,925.54x = 74,643,862.55
5. Step 5: Solve for x
   x = 74,643,862.55/9,925.54
6. Step 6: Final answer
   x = 7,520.38