Finding the Fourth Proportional to 23,175.20, 34,754.16 and 12,077.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,175.20 : 34,754.16 = 12,077.12 : x
2. Step 2: Convert to fraction form
   23,175.20/34,754.16 = 12,077.12/x
3. Step 3: Cross multiply
   23,175.20x = 34,754.16 × 12,077.12
4. Step 4: Simplify right side
   23,175.20x = 419,730,160.82
5. Step 5: Solve for x
   x = 419,730,160.82/23,175.20
6. Step 6: Final answer
   x = 18,111.18