Finding the Fourth Proportional to 23,176.30, 31,985.31 and 19,392.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,176.30 : 31,985.31 = 19,392.79 : x
2. Step 2: Convert to fraction form
   23,176.30/31,985.31 = 19,392.79/x
3. Step 3: Cross multiply
   23,176.30x = 31,985.31 × 19,392.79
4. Step 4: Simplify right side
   23,176.30x = 620,284,399.91
5. Step 5: Solve for x
   x = 620,284,399.91/23,176.30
6. Step 6: Final answer
   x = 26,763.74