Finding the Fourth Proportional to 13,932.52, 19,227.18 and 7,645.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,932.52 : 19,227.18 = 7,645.30 : x
2. Step 2: Convert to fraction form
   13,932.52/19,227.18 = 7,645.30/x
3. Step 3: Cross multiply
   13,932.52x = 19,227.18 × 7,645.30
4. Step 4: Simplify right side
   13,932.52x = 146,997,559.25
5. Step 5: Solve for x
   x = 146,997,559.25/13,932.52
6. Step 6: Final answer
   x = 10,550.68