Finding the Fourth Proportional to 76,082.62, 104,984.76 and 42,086.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,082.62 : 104,984.76 = 42,086.56 : x
2. Step 2: Convert to fraction form
   76,082.62/104,984.76 = 42,086.56/x
3. Step 3: Cross multiply
   76,082.62x = 104,984.76 × 42,086.56
4. Step 4: Simplify right side
   76,082.62x = 4,418,447,400.83
5. Step 5: Solve for x
   x = 4,418,447,400.83/76,082.62
6. Step 6: Final answer
   x = 58,074.33