Finding the Fourth Proportional to 14,160.88, 19,538.04 and 8,191.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,160.88 : 19,538.04 = 8,191.72 : x
2. Step 2: Convert to fraction form
   14,160.88/19,538.04 = 8,191.72/x
3. Step 3: Cross multiply
   14,160.88x = 19,538.04 × 8,191.72
4. Step 4: Simplify right side
   14,160.88x = 160,050,153.03
5. Step 5: Solve for x
   x = 160,050,153.03/14,160.88
6. Step 6: Final answer
   x = 11,302.27