Finding the Fourth Proportional to 76,877.97, 106,096.50 and 42,891.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,877.97 : 106,096.50 = 42,891.59 : x
2. Step 2: Convert to fraction form
   76,877.97/106,096.50 = 42,891.59/x
3. Step 3: Cross multiply
   76,877.97x = 106,096.50 × 42,891.59
4. Step 4: Simplify right side
   76,877.97x = 4,550,647,047.95
5. Step 5: Solve for x
   x = 4,550,647,047.95/76,877.97
6. Step 6: Final answer
   x = 59,193.12