Finding the Fourth Proportional to 76,086.62, 105,002.67 and 42,094.55

Step by Step Solution

1. Step 1: Write the proportion equation
   76,086.62 : 105,002.67 = 42,094.55 : x
2. Step 2: Convert to fraction form
   76,086.62/105,002.67 = 42,094.55/x
3. Step 3: Cross multiply
   76,086.62x = 105,002.67 × 42,094.55
4. Step 4: Simplify right side
   76,086.62x = 4,420,040,142.45
5. Step 5: Solve for x
   x = 4,420,040,142.45/76,086.62
6. Step 6: Final answer
   x = 58,092.21