Finding the Fourth Proportional to 2,218.92, 3,061.16 and 1,334.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.92 : 3,061.16 = 1,334.20 : x
2. Step 2: Convert to fraction form
   2,218.92/3,061.16 = 1,334.20/x
3. Step 3: Cross multiply
   2,218.92x = 3,061.16 × 1,334.20
4. Step 4: Simplify right side
   2,218.92x = 4,084,199.67
5. Step 5: Solve for x
   x = 4,084,199.67/2,218.92
6. Step 6: Final answer
   x = 1,840.63