Finding the Fourth Proportional to 21,593.34, 32,238.54 and 18,272.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,593.34 : 32,238.54 = 18,272.76 : x
2. Step 2: Convert to fraction form
   21,593.34/32,238.54 = 18,272.76/x
3. Step 3: Cross multiply
   21,593.34x = 32,238.54 × 18,272.76
4. Step 4: Simplify right side
   21,593.34x = 589,087,104.17
5. Step 5: Solve for x
   x = 589,087,104.17/21,593.34
6. Step 6: Final answer
   x = 27,280.96