Finding the Fourth Proportional to 56,581.83, 78,083.46 and 31,088.73

Step by Step Solution

1. Step 1: Write the proportion equation
   56,581.83 : 78,083.46 = 31,088.73 : x
2. Step 2: Convert to fraction form
   56,581.83/78,083.46 = 31,088.73/x
3. Step 3: Cross multiply
   56,581.83x = 78,083.46 × 31,088.73
4. Step 4: Simplify right side
   56,581.83x = 2,427,515,605.41
5. Step 5: Solve for x
   x = 2,427,515,605.41/56,581.83
6. Step 6: Final answer
   x = 42,902.74