Finding the Fourth Proportional to 9,925.72, 13,697.84 and 5,449.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.72 : 13,697.84 = 5,449.81 : x
2. Step 2: Convert to fraction form
   9,925.72/13,697.84 = 5,449.81/x
3. Step 3: Cross multiply
   9,925.72x = 13,697.84 × 5,449.81
4. Step 4: Simplify right side
   9,925.72x = 74,650,656.16
5. Step 5: Solve for x
   x = 74,650,656.16/9,925.72
6. Step 6: Final answer
   x = 7,520.93