Finding the Fourth Proportional to 76,083.62, 104,986.14 and 42,087.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,083.62 : 104,986.14 = 42,087.56 : x
2. Step 2: Convert to fraction form
   76,083.62/104,986.14 = 42,087.56/x
3. Step 3: Cross multiply
   76,083.62x = 104,986.14 × 42,087.56
4. Step 4: Simplify right side
   76,083.62x = 4,418,610,466.42
5. Step 5: Solve for x
   x = 4,418,610,466.42/76,083.62
6. Step 6: Final answer
   x = 58,075.71