Finding the Fourth Proportional to 14,058.72, 19,401.05 and 8,090.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,058.72 : 19,401.05 = 8,090.28 : x
2. Step 2: Convert to fraction form
   14,058.72/19,401.05 = 8,090.28/x
3. Step 3: Cross multiply
   14,058.72x = 19,401.05 × 8,090.28
4. Step 4: Simplify right side
   14,058.72x = 156,959,947.02
5. Step 5: Solve for x
   x = 156,959,947.02/14,058.72
6. Step 6: Final answer
   x = 11,164.60