Finding the Fourth Proportional to 56,744.72, 78,357.24 and 35,560.40

Step by Step Solution

1. Step 1: Write the proportion equation
   56,744.72 : 78,357.24 = 35,560.40 : x
2. Step 2: Convert to fraction form
   56,744.72/78,357.24 = 35,560.40/x
3. Step 3: Cross multiply
   56,744.72x = 78,357.24 × 35,560.40
4. Step 4: Simplify right side
   56,744.72x = 2,786,414,797.30
5. Step 5: Solve for x
   x = 2,786,414,797.30/56,744.72
6. Step 6: Final answer
   x = 49,104.39