Finding the Fourth Proportional to 2,222.96, 3,332.64 and 925.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.96 : 3,332.64 = 925.40 : x
2. Step 2: Convert to fraction form
   2,222.96/3,332.64 = 925.40/x
3. Step 3: Cross multiply
   2,222.96x = 3,332.64 × 925.40
4. Step 4: Simplify right side
   2,222.96x = 3,084,025.06
5. Step 5: Solve for x
   x = 3,084,025.06/2,222.96
6. Step 6: Final answer
   x = 1,387.35