Finding the Fourth Proportional to 23,288.04, 32,139.59 and 13,216.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.04 : 32,139.59 = 13,216.91 : x
2. Step 2: Convert to fraction form
   23,288.04/32,139.59 = 13,216.91/x
3. Step 3: Cross multiply
   23,288.04x = 32,139.59 × 13,216.91
4. Step 4: Simplify right side
   23,288.04x = 424,785,841.68
5. Step 5: Solve for x
   x = 424,785,841.68/23,288.04
6. Step 6: Final answer
   x = 18,240.51