Finding the Fourth Proportional to 13,932.88, 19,227.71 and 7,645.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,932.88 : 19,227.71 = 7,645.25 : x
2. Step 2: Convert to fraction form
   13,932.88/19,227.71 = 7,645.25/x
3. Step 3: Cross multiply
   13,932.88x = 19,227.71 × 7,645.25
4. Step 4: Simplify right side
   13,932.88x = 147,000,649.88
5. Step 5: Solve for x
   x = 147,000,649.88/13,932.88
6. Step 6: Final answer
   x = 10,550.63