Finding the Fourth Proportional to 55,222.64, 82,858.34 and 42,850.16

Step by Step Solution

1. Step 1: Write the proportion equation
   55,222.64 : 82,858.34 = 42,850.16 : x
2. Step 2: Convert to fraction form
   55,222.64/82,858.34 = 42,850.16/x
3. Step 3: Cross multiply
   55,222.64x = 82,858.34 × 42,850.16
4. Step 4: Simplify right side
   55,222.64x = 3,550,493,126.33
5. Step 5: Solve for x
   x = 3,550,493,126.33/55,222.64
6. Step 6: Final answer
   x = 64,294.16