Finding the Fourth Proportional to 2,222.01, 3,333.08 and 578.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.01 : 3,333.08 = 578.52 : x
2. Step 2: Convert to fraction form
   2,222.01/3,333.08 = 578.52/x
3. Step 3: Cross multiply
   2,222.01x = 3,333.08 × 578.52
4. Step 4: Simplify right side
   2,222.01x = 1,928,250.55
5. Step 5: Solve for x
   x = 1,928,250.55/2,222.01
6. Step 6: Final answer
   x = 867.80