Finding the Fourth Proportional to 1,658.96, 2,490.13 and 1,369.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.96 : 2,490.13 = 1,369.47 : x
2. Step 2: Convert to fraction form
   1,658.96/2,490.13 = 1,369.47/x
3. Step 3: Cross multiply
   1,658.96x = 2,490.13 × 1,369.47
4. Step 4: Simplify right side
   1,658.96x = 3,410,158.33
5. Step 5: Solve for x
   x = 3,410,158.33/1,658.96
6. Step 6: Final answer
   x = 2,055.61