Finding the Fourth Proportional to 21,581.59, 29,772.25 and 14,030.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,581.59 : 29,772.25 = 14,030.29 : x
2. Step 2: Convert to fraction form
   21,581.59/29,772.25 = 14,030.29/x
3. Step 3: Cross multiply
   21,581.59x = 29,772.25 × 14,030.29
4. Step 4: Simplify right side
   21,581.59x = 417,713,200.13
5. Step 5: Solve for x
   x = 417,713,200.13/21,581.59
6. Step 6: Final answer
   x = 19,355.07