Finding the Fourth Proportional to 9,925.28, 13,697.06 and 5,449.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.28 : 13,697.06 = 5,449.45 : x
2. Step 2: Convert to fraction form
   9,925.28/13,697.06 = 5,449.45/x
3. Step 3: Cross multiply
   9,925.28x = 13,697.06 × 5,449.45
4. Step 4: Simplify right side
   9,925.28x = 74,641,443.62
5. Step 5: Solve for x
   x = 74,641,443.62/9,925.28
6. Step 6: Final answer
   x = 7,520.34