Finding the Fourth Proportional to 55,224.64, 82,861.34 and 42,852.16

Step by Step Solution

1. Step 1: Write the proportion equation
   55,224.64 : 82,861.34 = 42,852.16 : x
2. Step 2: Convert to fraction form
   55,224.64/82,861.34 = 42,852.16/x
3. Step 3: Cross multiply
   55,224.64x = 82,861.34 × 42,852.16
4. Step 4: Simplify right side
   55,224.64x = 3,550,787,399.49
5. Step 5: Solve for x
   x = 3,550,787,399.49/55,224.64
6. Step 6: Final answer
   x = 64,297.16