Finding the Fourth Proportional to 56,846.16, 78,435.72 and 40,965.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,846.16 : 78,435.72 = 40,965.84 : x
2. Step 2: Convert to fraction form
   56,846.16/78,435.72 = 40,965.84/x
3. Step 3: Cross multiply
   56,846.16x = 78,435.72 × 40,965.84
4. Step 4: Simplify right side
   56,846.16x = 3,213,185,155.80
5. Step 5: Solve for x
   x = 3,213,185,155.80/56,846.16
6. Step 6: Final answer
   x = 56,524.23