Finding the Fourth Proportional to 21,587.02, 32,372.02 and 10,490.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,587.02 : 32,372.02 = 10,490.42 : x
2. Step 2: Convert to fraction form
   21,587.02/32,372.02 = 10,490.42/x
3. Step 3: Cross multiply
   21,587.02x = 32,372.02 × 10,490.42
4. Step 4: Simplify right side
   21,587.02x = 339,596,086.05
5. Step 5: Solve for x
   x = 339,596,086.05/21,587.02
6. Step 6: Final answer
   x = 15,731.49