Finding the Fourth Proportional to 56,647.89, 78,165.32 and 32,776.79

Step by Step Solution

1. Step 1: Write the proportion equation
   56,647.89 : 78,165.32 = 32,776.79 : x
2. Step 2: Convert to fraction form
   56,647.89/78,165.32 = 32,776.79/x
3. Step 3: Cross multiply
   56,647.89x = 78,165.32 × 32,776.79
4. Step 4: Simplify right side
   56,647.89x = 2,562,008,278.92
5. Step 5: Solve for x
   x = 2,562,008,278.92/56,647.89
6. Step 6: Final answer
   x = 45,226.90