Finding the Fourth Proportional to 55,266.96, 82,821.94 and 42,568.70

Step by Step Solution

1. Step 1: Write the proportion equation
   55,266.96 : 82,821.94 = 42,568.70 : x
2. Step 2: Convert to fraction form
   55,266.96/82,821.94 = 42,568.70/x
3. Step 3: Cross multiply
   55,266.96x = 82,821.94 × 42,568.70
4. Step 4: Simplify right side
   55,266.96x = 3,525,622,317.28
5. Step 5: Solve for x
   x = 3,525,622,317.28/55,266.96
6. Step 6: Final answer
   x = 63,792.59