Finding the Fourth Proportional to 2,218.59, 3,061.87 and 1,334.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.59 : 3,061.87 = 1,334.36 : x
2. Step 2: Convert to fraction form
   2,218.59/3,061.87 = 1,334.36/x
3. Step 3: Cross multiply
   2,218.59x = 3,061.87 × 1,334.36
4. Step 4: Simplify right side
   2,218.59x = 4,085,641.17
5. Step 5: Solve for x
   x = 4,085,641.17/2,218.59
6. Step 6: Final answer
   x = 1,841.55