Finding the Fourth Proportional to 76,833.28, 115,181.52 and 30,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,833.28 : 115,181.52 = 30,118.72 : x
2. Step 2: Convert to fraction form
   76,833.28/115,181.52 = 30,118.72/x
3. Step 3: Cross multiply
   76,833.28x = 115,181.52 × 30,118.72
4. Step 4: Simplify right side
   76,833.28x = 3,469,119,950.05
5. Step 5: Solve for x
   x = 3,469,119,950.05/76,833.28
6. Step 6: Final answer
   x = 45,151.27