Finding the Fourth Proportional to 31,523.91, 43,504.61 and 17,376.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,523.91 : 43,504.61 = 17,376.72 : x
2. Step 2: Convert to fraction form
   31,523.91/43,504.61 = 17,376.72/x
3. Step 3: Cross multiply
   31,523.91x = 43,504.61 × 17,376.72
4. Step 4: Simplify right side
   31,523.91x = 755,967,339.80
5. Step 5: Solve for x
   x = 755,967,339.80/31,523.91
6. Step 6: Final answer
   x = 23,980.76