Finding the Fourth Proportional to 76,868.19, 115,247.82 and 34,150.15

Step by Step Solution

1. Step 1: Write the proportion equation
   76,868.19 : 115,247.82 = 34,150.15 : x
2. Step 2: Convert to fraction form
   76,868.19/115,247.82 = 34,150.15/x
3. Step 3: Cross multiply
   76,868.19x = 115,247.82 × 34,150.15
4. Step 4: Simplify right side
   76,868.19x = 3,935,730,340.17
5. Step 5: Solve for x
   x = 3,935,730,340.17/76,868.19
6. Step 6: Final answer
   x = 51,201.03