Finding the Fourth Proportional to 1,818.16, 2,510.06 and 1,198.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.16 : 2,510.06 = 1,198.96 : x
2. Step 2: Convert to fraction form
   1,818.16/2,510.06 = 1,198.96/x
3. Step 3: Cross multiply
   1,818.16x = 2,510.06 × 1,198.96
4. Step 4: Simplify right side
   1,818.16x = 3,009,461.54
5. Step 5: Solve for x
   x = 3,009,461.54/1,818.16
6. Step 6: Final answer
   x = 1,655.22