Finding the Fourth Proportional to 23,710.99, 32,721.50 and 13,100.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,710.99 : 32,721.50 = 13,100.86 : x
2. Step 2: Convert to fraction form
   23,710.99/32,721.50 = 13,100.86/x
3. Step 3: Cross multiply
   23,710.99x = 32,721.50 × 13,100.86
4. Step 4: Simplify right side
   23,710.99x = 428,679,790.49
5. Step 5: Solve for x
   x = 428,679,790.49/23,710.99
6. Step 6: Final answer
   x = 18,079.37