Finding the Fourth Proportional to 76,083.34, 104,986.88 and 42,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,083.34 : 104,986.88 = 42,086.42 : x
2. Step 2: Convert to fraction form
   76,083.34/104,986.88 = 42,086.42/x
3. Step 3: Cross multiply
   76,083.34x = 104,986.88 × 42,086.42
4. Step 4: Simplify right side
   76,083.34x = 4,418,521,926.17
5. Step 5: Solve for x
   x = 4,418,521,926.17/76,083.34
6. Step 6: Final answer
   x = 58,074.76