Finding the Fourth Proportional to 11,634.18, 17,443.98 and 7,681.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,634.18 : 17,443.98 = 7,681.25 : x
2. Step 2: Convert to fraction form
   11,634.18/17,443.98 = 7,681.25/x
3. Step 3: Cross multiply
   11,634.18x = 17,443.98 × 7,681.25
4. Step 4: Simplify right side
   11,634.18x = 133,991,484.16
5. Step 5: Solve for x
   x = 133,991,484.16/11,634.18
6. Step 6: Final answer
   x = 11,517.05