Finding the Fourth Proportional to 23,108.37, 31,875.15 and 13,670.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,108.37 : 31,875.15 = 13,670.25 : x
2. Step 2: Convert to fraction form
   23,108.37/31,875.15 = 13,670.25/x
3. Step 3: Cross multiply
   23,108.37x = 31,875.15 × 13,670.25
4. Step 4: Simplify right side
   23,108.37x = 435,741,269.29
5. Step 5: Solve for x
   x = 435,741,269.29/23,108.37
6. Step 6: Final answer
   x = 18,856.43