Finding the Fourth Proportional to 2,218.68, 3,060.81 and 1,333.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.68 : 3,060.81 = 1,333.98 : x
2. Step 2: Convert to fraction form
   2,218.68/3,060.81 = 1,333.98/x
3. Step 3: Cross multiply
   2,218.68x = 3,060.81 × 1,333.98
4. Step 4: Simplify right side
   2,218.68x = 4,083,044.02
5. Step 5: Solve for x
   x = 4,083,044.02/2,218.68
6. Step 6: Final answer
   x = 1,840.30