Finding the Fourth Proportional to 76,081.62, 104,983.38 and 42,085.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,081.62 : 104,983.38 = 42,085.56 : x
2. Step 2: Convert to fraction form
   76,081.62/104,983.38 = 42,085.56/x
3. Step 3: Cross multiply
   76,081.62x = 104,983.38 × 42,085.56
4. Step 4: Simplify right side
   76,081.62x = 4,418,284,337.99
5. Step 5: Solve for x
   x = 4,418,284,337.99/76,081.62
6. Step 6: Final answer
   x = 58,072.95