Finding the Fourth Proportional to 23,123.88, 31,842.72 and 19,340.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.88 : 31,842.72 = 19,340.37 : x
2. Step 2: Convert to fraction form
   23,123.88/31,842.72 = 19,340.37/x
3. Step 3: Cross multiply
   23,123.88x = 31,842.72 × 19,340.37
4. Step 4: Simplify right side
   23,123.88x = 615,849,986.61
5. Step 5: Solve for x
   x = 615,849,986.61/23,123.88
6. Step 6: Final answer
   x = 26,632.64