Finding the Fourth Proportional to 81,770.24, 122,702.93 and 34,381.89

Step by Step Solution

1. Step 1: Write the proportion equation
   81,770.24 : 122,702.93 = 34,381.89 : x
2. Step 2: Convert to fraction form
   81,770.24/122,702.93 = 34,381.89/x
3. Step 3: Cross multiply
   81,770.24x = 122,702.93 × 34,381.89
4. Step 4: Simplify right side
   81,770.24x = 4,218,758,727.89
5. Step 5: Solve for x
   x = 4,218,758,727.89/81,770.24
6. Step 6: Final answer
   x = 51,592.84