Finding the Fourth Proportional to 81,633.32, 122,426.64 and 31,702.73

Step by Step Solution

1. Step 1: Write the proportion equation
   81,633.32 : 122,426.64 = 31,702.73 : x
2. Step 2: Convert to fraction form
   81,633.32/122,426.64 = 31,702.73/x
3. Step 3: Cross multiply
   81,633.32x = 122,426.64 × 31,702.73
4. Step 4: Simplify right side
   81,633.32x = 3,881,258,100.59
5. Step 5: Solve for x
   x = 3,881,258,100.59/81,633.32
6. Step 6: Final answer
   x = 47,545.02