Finding the Fourth Proportional to 21,250.56, 32,002.34 and 18,510.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,250.56 : 32,002.34 = 18,510.32 : x
2. Step 2: Convert to fraction form
   21,250.56/32,002.34 = 18,510.32/x
3. Step 3: Cross multiply
   21,250.56x = 32,002.34 × 18,510.32
4. Step 4: Simplify right side
   21,250.56x = 592,373,301.59
5. Step 5: Solve for x
   x = 592,373,301.59/21,250.56
6. Step 6: Final answer
   x = 27,875.66