Finding the Fourth Proportional to 9,925.77, 13,698.06 and 5,449.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.77 : 13,698.06 = 5,449.47 : x
2. Step 2: Convert to fraction form
   9,925.77/13,698.06 = 5,449.47/x
3. Step 3: Cross multiply
   9,925.77x = 13,698.06 × 5,449.47
4. Step 4: Simplify right side
   9,925.77x = 74,647,167.03
5. Step 5: Solve for x
   x = 74,647,167.03/9,925.77
6. Step 6: Final answer
   x = 7,520.54