Finding the Fourth Proportional to 76,139.94, 114,248.82 and 50,856.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,139.94 : 114,248.82 = 50,856.69 : x
2. Step 2: Convert to fraction form
   76,139.94/114,248.82 = 50,856.69/x
3. Step 3: Cross multiply
   76,139.94x = 114,248.82 × 50,856.69
4. Step 4: Simplify right side
   76,139.94x = 5,810,316,821.61
5. Step 5: Solve for x
   x = 5,810,316,821.61/76,139.94
6. Step 6: Final answer
   x = 76,311.02