Finding the Fourth Proportional to 137,383.59, 206,104.91 and 42,611.79

Step by Step Solution

1. Step 1: Write the proportion equation
   137,383.59 : 206,104.91 = 42,611.79 : x
2. Step 2: Convert to fraction form
   137,383.59/206,104.91 = 42,611.79/x
3. Step 3: Cross multiply
   137,383.59x = 206,104.91 × 42,611.79
4. Step 4: Simplify right side
   137,383.59x = 8,782,498,929.83
5. Step 5: Solve for x
   x = 8,782,498,929.83/137,383.59
6. Step 6: Final answer
   x = 63,926.84