Finding the Fourth Proportional to 81,632.88, 122,402.18 and 31,654.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,632.88 : 122,402.18 = 31,654.59 : x
2. Step 2: Convert to fraction form
   81,632.88/122,402.18 = 31,654.59/x
3. Step 3: Cross multiply
   81,632.88x = 122,402.18 × 31,654.59
4. Step 4: Simplify right side
   81,632.88x = 3,874,590,664.73
5. Step 5: Solve for x
   x = 3,874,590,664.73/81,632.88
6. Step 6: Final answer
   x = 47,463.60