Finding the Fourth Proportional to 23,037.50, 31,791.78 and 13,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,037.50 : 31,791.78 = 13,101.50 : x
2. Step 2: Convert to fraction form
   23,037.50/31,791.78 = 13,101.50/x
3. Step 3: Cross multiply
   23,037.50x = 31,791.78 × 13,101.50
4. Step 4: Simplify right side
   23,037.50x = 416,520,005.67
5. Step 5: Solve for x
   x = 416,520,005.67/23,037.50
6. Step 6: Final answer
   x = 18,080.09