Finding the Fourth Proportional to 23,297.31, 32,151.77 and 13,221.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.31 : 32,151.77 = 13,221.93 : x
2. Step 2: Convert to fraction form
   23,297.31/32,151.77 = 13,221.93/x
3. Step 3: Cross multiply
   23,297.31x = 32,151.77 × 13,221.93
4. Step 4: Simplify right side
   23,297.31x = 425,108,386.21
5. Step 5: Solve for x
   x = 425,108,386.21/23,297.31
6. Step 6: Final answer
   x = 18,247.10