Finding the Fourth Proportional to 1,658.07, 2,288.43 and 1,098.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.07 : 2,288.43 = 1,098.54 : x
2. Step 2: Convert to fraction form
   1,658.07/2,288.43 = 1,098.54/x
3. Step 3: Cross multiply
   1,658.07x = 2,288.43 × 1,098.54
4. Step 4: Simplify right side
   1,658.07x = 2,513,931.89
5. Step 5: Solve for x
   x = 2,513,931.89/1,658.07
6. Step 6: Final answer
   x = 1,516.18