Finding the Fourth Proportional to 56,735.76, 78,293.96 and 31,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,735.76 : 78,293.96 = 31,584.72 : x
2. Step 2: Convert to fraction form
   56,735.76/78,293.96 = 31,584.72/x
3. Step 3: Cross multiply
   56,735.76x = 78,293.96 × 31,584.72
4. Step 4: Simplify right side
   56,735.76x = 2,472,892,804.29
5. Step 5: Solve for x
   x = 2,472,892,804.29/56,735.76
6. Step 6: Final answer
   x = 43,586.14