Finding the Fourth Proportional to 31,976.32, 44,131.20 and 19,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,976.32 : 44,131.20 = 19,404.80 : x
2. Step 2: Convert to fraction form
   31,976.32/44,131.20 = 19,404.80/x
3. Step 3: Cross multiply
   31,976.32x = 44,131.20 × 19,404.80
4. Step 4: Simplify right side
   31,976.32x = 856,357,109.76
5. Step 5: Solve for x
   x = 856,357,109.76/31,976.32
6. Step 6: Final answer
   x = 26,780.98