Finding the Fourth Proportional to 56,794.79, 85,060.89 and 54,826.49

Step by Step Solution

1. Step 1: Write the proportion equation
   56,794.79 : 85,060.89 = 54,826.49 : x
2. Step 2: Convert to fraction form
   56,794.79/85,060.89 = 54,826.49/x
3. Step 3: Cross multiply
   56,794.79x = 85,060.89 × 54,826.49
4. Step 4: Simplify right side
   56,794.79x = 4,663,589,609.67
5. Step 5: Solve for x
   x = 4,663,589,609.67/56,794.79
6. Step 6: Final answer
   x = 82,112.99