Finding the Fourth Proportional to 21,658.12, 32,461.02 and 10,548.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,658.12 : 32,461.02 = 10,548.16 : x
2. Step 2: Convert to fraction form
   21,658.12/32,461.02 = 10,548.16/x
3. Step 3: Cross multiply
   21,658.12x = 32,461.02 × 10,548.16
4. Step 4: Simplify right side
   21,658.12x = 342,404,032.72
5. Step 5: Solve for x
   x = 342,404,032.72/21,658.12
6. Step 6: Final answer
   x = 15,809.50