Finding the Fourth Proportional to 56,578.24, 78,081.60 and 32,710.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,578.24 : 78,081.60 = 32,710.78 : x
2. Step 2: Convert to fraction form
   56,578.24/78,081.60 = 32,710.78/x
3. Step 3: Cross multiply
   56,578.24x = 78,081.60 × 32,710.78
4. Step 4: Simplify right side
   56,578.24x = 2,554,110,039.65
5. Step 5: Solve for x
   x = 2,554,110,039.65/56,578.24
6. Step 6: Final answer
   x = 45,142.97