Finding the Fourth Proportional to 23,129.86, 34,663.71 and 12,013.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,129.86 : 34,663.71 = 12,013.42 : x
2. Step 2: Convert to fraction form
   23,129.86/34,663.71 = 12,013.42/x
3. Step 3: Cross multiply
   23,129.86x = 34,663.71 × 12,013.42
4. Step 4: Simplify right side
   23,129.86x = 416,429,706.99
5. Step 5: Solve for x
   x = 416,429,706.99/23,129.86
6. Step 6: Final answer
   x = 18,003.99