Finding the Fourth Proportional to 57,109.94, 78,800.78 and 36,964.02

Step by Step Solution

1. Step 1: Write the proportion equation
   57,109.94 : 78,800.78 = 36,964.02 : x
2. Step 2: Convert to fraction form
   57,109.94/78,800.78 = 36,964.02/x
3. Step 3: Cross multiply
   57,109.94x = 78,800.78 × 36,964.02
4. Step 4: Simplify right side
   57,109.94x = 2,912,793,607.94
5. Step 5: Solve for x
   x = 2,912,793,607.94/57,109.94
6. Step 6: Final answer
   x = 51,003.27