Finding the Fourth Proportional to 9,925.56, 13,697.30 and 5,449.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.56 : 13,697.30 = 5,449.60 : x
2. Step 2: Convert to fraction form
   9,925.56/13,697.30 = 5,449.60/x
3. Step 3: Cross multiply
   9,925.56x = 13,697.30 × 5,449.60
4. Step 4: Simplify right side
   9,925.56x = 74,644,744.59
5. Step 5: Solve for x
   x = 74,644,744.59/9,925.56
6. Step 6: Final answer
   x = 7,520.46