Finding the Fourth Proportional to 82,462.46, 123,864.06 and 78,868.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,462.46 : 123,864.06 = 78,868.76 : x
2. Step 2: Convert to fraction form
   82,462.46/123,864.06 = 78,868.76/x
3. Step 3: Cross multiply
   82,462.46x = 123,864.06 × 78,868.76
4. Step 4: Simplify right side
   82,462.46x = 9,769,004,201.45
5. Step 5: Solve for x
   x = 9,769,004,201.45/82,462.46
6. Step 6: Final answer
   x = 118,466.08