Finding the Fourth Proportional to 56,951.91, 78,592.68 and 33,078.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,951.91 : 78,592.68 = 33,078.78 : x
2. Step 2: Convert to fraction form
   56,951.91/78,592.68 = 33,078.78/x
3. Step 3: Cross multiply
   56,951.91x = 78,592.68 × 33,078.78
4. Step 4: Simplify right side
   56,951.91x = 2,599,749,971.33
5. Step 5: Solve for x
   x = 2,599,749,971.33/56,951.91
6. Step 6: Final answer
   x = 45,648.16