Finding the Fourth Proportional to 9,925.87, 13,697.73 and 5,449.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.87 : 13,697.73 = 5,449.91 : x
2. Step 2: Convert to fraction form
   9,925.87/13,697.73 = 5,449.91/x
3. Step 3: Cross multiply
   9,925.87x = 13,697.73 × 5,449.91
4. Step 4: Simplify right side
   9,925.87x = 74,651,401.12
5. Step 5: Solve for x
   x = 74,651,401.12/9,925.87
6. Step 6: Final answer
   x = 7,520.89