Finding the Fourth Proportional to 9,925.04, 13,681.32 and 7,825.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,925.04 : 13,681.32 = 7,825.52 : x
2. Step 2: Convert to fraction form
   9,925.04/13,681.32 = 7,825.52/x
3. Step 3: Cross multiply
   9,925.04x = 13,681.32 × 7,825.52
4. Step 4: Simplify right side
   9,925.04x = 107,063,443.29
5. Step 5: Solve for x
   x = 107,063,443.29/9,925.04
6. Step 6: Final answer
   x = 10,787.21