Finding the Fourth Proportional to 79,084.74, 109,137.27 and 42,786.07

Step by Step Solution

1. Step 1: Write the proportion equation
   79,084.74 : 109,137.27 = 42,786.07 : x
2. Step 2: Convert to fraction form
   79,084.74/109,137.27 = 42,786.07/x
3. Step 3: Cross multiply
   79,084.74x = 109,137.27 × 42,786.07
4. Step 4: Simplify right side
   79,084.74x = 4,669,554,873.83
5. Step 5: Solve for x
   x = 4,669,554,873.83/79,084.74
6. Step 6: Final answer
   x = 59,044.95