Finding the Fourth Proportional to 56,818.87, 78,377.52 and 35,561.23

Step by Step Solution

1. Step 1: Write the proportion equation
   56,818.87 : 78,377.52 = 35,561.23 : x
2. Step 2: Convert to fraction form
   56,818.87/78,377.52 = 35,561.23/x
3. Step 3: Cross multiply
   56,818.87x = 78,377.52 × 35,561.23
4. Step 4: Simplify right side
   56,818.87x = 2,787,200,952.96
5. Step 5: Solve for x
   x = 2,787,200,952.96/56,818.87
6. Step 6: Final answer
   x = 49,054.14