Finding the Fourth Proportional to 55,717.79, 76,878.72 and 33,064.15

Step by Step Solution

1. Step 1: Write the proportion equation
   55,717.79 : 76,878.72 = 33,064.15 : x
2. Step 2: Convert to fraction form
   55,717.79/76,878.72 = 33,064.15/x
3. Step 3: Cross multiply
   55,717.79x = 76,878.72 × 33,064.15
4. Step 4: Simplify right side
   55,717.79x = 2,541,929,529.89
5. Step 5: Solve for x
   x = 2,541,929,529.89/55,717.79
6. Step 6: Final answer
   x = 45,621.51