Finding the Fourth Proportional to 14,059.52, 19,402.73 and 8,091.21

Step by Step Solution

1. Step 1: Write the proportion equation
   14,059.52 : 19,402.73 = 8,091.21 : x
2. Step 2: Convert to fraction form
   14,059.52/19,402.73 = 8,091.21/x
3. Step 3: Cross multiply
   14,059.52x = 19,402.73 × 8,091.21
4. Step 4: Simplify right side
   14,059.52x = 156,991,522.55
5. Step 5: Solve for x
   x = 156,991,522.55/14,059.52
6. Step 6: Final answer
   x = 11,166.21