Finding the Fourth Proportional to 11,932.52, 16,468.45 and 7,215.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,932.52 : 16,468.45 = 7,215.89 : x
2. Step 2: Convert to fraction form
   11,932.52/16,468.45 = 7,215.89/x
3. Step 3: Cross multiply
   11,932.52x = 16,468.45 × 7,215.89
4. Step 4: Simplify right side
   11,932.52x = 118,834,423.29
5. Step 5: Solve for x
   x = 118,834,423.29/11,932.52
6. Step 6: Final answer
   x = 9,958.87