Finding the Fourth Proportional to 14,059.16, 19,401.54 and 8,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,059.16 : 19,401.54 = 8,090.72 : x
2. Step 2: Convert to fraction form
   14,059.16/19,401.54 = 8,090.72/x
3. Step 3: Cross multiply
   14,059.16x = 19,401.54 × 8,090.72
4. Step 4: Simplify right side
   14,059.16x = 156,972,427.71
5. Step 5: Solve for x
   x = 156,972,427.71/14,059.16
6. Step 6: Final answer
   x = 11,165.14