Finding the Fourth Proportional to 81,633.35, 122,426.83 and 31,702.79

Step by Step Solution

1. Step 1: Write the proportion equation
   81,633.35 : 122,426.83 = 31,702.79 : x
2. Step 2: Convert to fraction form
   81,633.35/122,426.83 = 31,702.79/x
3. Step 3: Cross multiply
   81,633.35x = 122,426.83 × 31,702.79
4. Step 4: Simplify right side
   81,633.35x = 3,881,272,081.86
5. Step 5: Solve for x
   x = 3,881,272,081.86/81,633.35
6. Step 6: Final answer
   x = 47,545.18