Finding the Fourth Proportional to 31,876.32, 43,992.72 and 17,730.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,876.32 : 43,992.72 = 17,730.48 : x
2. Step 2: Convert to fraction form
   31,876.32/43,992.72 = 17,730.48/x
3. Step 3: Cross multiply
   31,876.32x = 43,992.72 × 17,730.48
4. Step 4: Simplify right side
   31,876.32x = 780,012,042.11
5. Step 5: Solve for x
   x = 780,012,042.11/31,876.32
6. Step 6: Final answer
   x = 24,469.95