Finding the Fourth Proportional to 23,112.86, 34,648.29 and 12,006.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,112.86 : 34,648.29 = 12,006.54 : x
2. Step 2: Convert to fraction form
   23,112.86/34,648.29 = 12,006.54/x
3. Step 3: Cross multiply
   23,112.86x = 34,648.29 × 12,006.54
4. Step 4: Simplify right side
   23,112.86x = 416,006,079.82
5. Step 5: Solve for x
   x = 416,006,079.82/23,112.86
6. Step 6: Final answer
   x = 17,998.90