Finding the Fourth Proportional to 2,261.43, 3,117.56 and 1,662.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.43 : 3,117.56 = 1,662.86 : x
2. Step 2: Convert to fraction form
   2,261.43/3,117.56 = 1,662.86/x
3. Step 3: Cross multiply
   2,261.43x = 3,117.56 × 1,662.86
4. Step 4: Simplify right side
   2,261.43x = 5,184,065.82
5. Step 5: Solve for x
   x = 5,184,065.82/2,261.43
6. Step 6: Final answer
   x = 2,292.38