Finding the Fourth Proportional to 9,925.35, 13,697.13 and 5,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.35 : 13,697.13 = 5,449.50 : x
2. Step 2: Convert to fraction form
   9,925.35/13,697.13 = 5,449.50/x
3. Step 3: Cross multiply
   9,925.35x = 13,697.13 × 5,449.50
4. Step 4: Simplify right side
   9,925.35x = 74,642,530.37
5. Step 5: Solve for x
   x = 74,642,530.37/9,925.35
6. Step 6: Final answer
   x = 7,520.40