Finding the Fourth Proportional to 23,108.52, 31,887.50 and 13,038.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,108.52 : 31,887.50 = 13,038.52 : x
2. Step 2: Convert to fraction form
   23,108.52/31,887.50 = 13,038.52/x
3. Step 3: Cross multiply
   23,108.52x = 31,887.50 × 13,038.52
4. Step 4: Simplify right side
   23,108.52x = 415,765,806.50
5. Step 5: Solve for x
   x = 415,765,806.50/23,108.52
6. Step 6: Final answer
   x = 17,991.88