Finding the Fourth Proportional to 10,950.72, 16,425.98 and 7,432.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,950.72 : 16,425.98 = 7,432.02 : x
2. Step 2: Convert to fraction form
   10,950.72/16,425.98 = 7,432.02/x
3. Step 3: Cross multiply
   10,950.72x = 16,425.98 × 7,432.02
4. Step 4: Simplify right side
   10,950.72x = 122,078,211.88
5. Step 5: Solve for x
   x = 122,078,211.88/10,950.72
6. Step 6: Final answer
   x = 11,147.96