Finding the Fourth Proportional to 56,020.41, 84,063.42 and 31,081.32

Step by Step Solution

1. Step 1: Write the proportion equation
   56,020.41 : 84,063.42 = 31,081.32 : x
2. Step 2: Convert to fraction form
   56,020.41/84,063.42 = 31,081.32/x
3. Step 3: Cross multiply
   56,020.41x = 84,063.42 × 31,081.32
4. Step 4: Simplify right side
   56,020.41x = 2,612,802,057.31
5. Step 5: Solve for x
   x = 2,612,802,057.31/56,020.41
6. Step 6: Final answer
   x = 46,640.18