Finding the Fourth Proportional to 2,222.00, 3,327.32 and 2,156.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.00 : 3,327.32 = 2,156.31 : x
2. Step 2: Convert to fraction form
   2,222.00/3,327.32 = 2,156.31/x
3. Step 3: Cross multiply
   2,222.00x = 3,327.32 × 2,156.31
4. Step 4: Simplify right side
   2,222.00x = 7,174,722.61
5. Step 5: Solve for x
   x = 7,174,722.61/2,222.00
6. Step 6: Final answer
   x = 3,228.96