Finding the Fourth Proportional to 23,042.88, 31,798.86 and 13,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,042.88 : 31,798.86 = 13,106.88 : x
2. Step 2: Convert to fraction form
   23,042.88/31,798.86 = 13,106.88/x
3. Step 3: Cross multiply
   23,042.88x = 31,798.86 × 13,106.88
4. Step 4: Simplify right side
   23,042.88x = 416,783,842.16
5. Step 5: Solve for x
   x = 416,783,842.16/23,042.88
6. Step 6: Final answer
   x = 18,087.32