Finding the Fourth Proportional to 57,073.20, 78,748.38 and 35,844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,073.20 : 78,748.38 = 35,844.72 : x
2. Step 2: Convert to fraction form
   57,073.20/78,748.38 = 35,844.72/x
3. Step 3: Cross multiply
   57,073.20x = 78,748.38 × 35,844.72
4. Step 4: Simplify right side
   57,073.20x = 2,822,713,631.55
5. Step 5: Solve for x
   x = 2,822,713,631.55/57,073.20
6. Step 6: Final answer
   x = 49,457.78