Finding the Fourth Proportional to 2,222.32, 3,333.15 and 1,398.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.32 : 3,333.15 = 1,398.07 : x
2. Step 2: Convert to fraction form
   2,222.32/3,333.15 = 1,398.07/x
3. Step 3: Cross multiply
   2,222.32x = 3,333.15 × 1,398.07
4. Step 4: Simplify right side
   2,222.32x = 4,659,977.02
5. Step 5: Solve for x
   x = 4,659,977.02/2,222.32
6. Step 6: Final answer
   x = 2,096.90