Finding the Fourth Proportional to 23,111.88, 31,892.58 and 13,042.77

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.88 : 31,892.58 = 13,042.77 : x
2. Step 2: Convert to fraction form
   23,111.88/31,892.58 = 13,042.77/x
3. Step 3: Cross multiply
   23,111.88x = 31,892.58 × 13,042.77
4. Step 4: Simplify right side
   23,111.88x = 415,967,585.65
5. Step 5: Solve for x
   x = 415,967,585.65/23,111.88
6. Step 6: Final answer
   x = 17,998.00