Finding the Fourth Proportional to 9,925.31, 13,696.95 and 5,449.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.31 : 13,696.95 = 5,449.35 : x
2. Step 2: Convert to fraction form
   9,925.31/13,696.95 = 5,449.35/x
3. Step 3: Cross multiply
   9,925.31x = 13,696.95 × 5,449.35
4. Step 4: Simplify right side
   9,925.31x = 74,639,474.48
5. Step 5: Solve for x
   x = 74,639,474.48/9,925.31
6. Step 6: Final answer
   x = 7,520.12