Finding the Fourth Proportional to 123,816.78, 185,642.82 and 63,881.91

Step by Step Solution

1. Step 1: Write the proportion equation
   123,816.78 : 185,642.82 = 63,881.91 : x
2. Step 2: Convert to fraction form
   123,816.78/185,642.82 = 63,881.91/x
3. Step 3: Cross multiply
   123,816.78x = 185,642.82 × 63,881.91
4. Step 4: Simplify right side
   123,816.78x = 11,859,217,919.39
5. Step 5: Solve for x
   x = 11,859,217,919.39/123,816.78
6. Step 6: Final answer
   x = 95,780.38