Finding the Fourth Proportional to 56,654.82, 84,993.57 and 31,730.31

Step by Step Solution

1. Step 1: Write the proportion equation
   56,654.82 : 84,993.57 = 31,730.31 : x
2. Step 2: Convert to fraction form
   56,654.82/84,993.57 = 31,730.31/x
3. Step 3: Cross multiply
   56,654.82x = 84,993.57 × 31,730.31
4. Step 4: Simplify right side
   56,654.82x = 2,696,872,324.11
5. Step 5: Solve for x
   x = 2,696,872,324.11/56,654.82
6. Step 6: Final answer
   x = 47,601.82