Finding the Fourth Proportional to 9,925.79, 13,697.77 and 5,449.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.79 : 13,697.77 = 5,449.73 : x
2. Step 2: Convert to fraction form
   9,925.79/13,697.77 = 5,449.73/x
3. Step 3: Cross multiply
   9,925.79x = 13,697.77 × 5,449.73
4. Step 4: Simplify right side
   9,925.79x = 74,649,155.10
5. Step 5: Solve for x
   x = 74,649,155.10/9,925.79
6. Step 6: Final answer
   x = 7,520.72