Finding the Fourth Proportional to 31,253.92, 43,085.56 and 22,285.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,253.92 : 43,085.56 = 22,285.88 : x
2. Step 2: Convert to fraction form
   31,253.92/43,085.56 = 22,285.88/x
3. Step 3: Cross multiply
   31,253.92x = 43,085.56 × 22,285.88
4. Step 4: Simplify right side
   31,253.92x = 960,199,619.89
5. Step 5: Solve for x
   x = 960,199,619.89/31,253.92
6. Step 6: Final answer
   x = 30,722.53