Finding the Fourth Proportional to 9,925.87, 13,698.06 and 5,449.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.87 : 13,698.06 = 5,449.58 : x
2. Step 2: Convert to fraction form
   9,925.87/13,698.06 = 5,449.58/x
3. Step 3: Cross multiply
   9,925.87x = 13,698.06 × 5,449.58
4. Step 4: Simplify right side
   9,925.87x = 74,648,666.91
5. Step 5: Solve for x
   x = 74,648,666.91/9,925.87
6. Step 6: Final answer
   x = 7,520.62