Finding the Fourth Proportional to 2,246.61, 3,100.71 and 1,658.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,246.61 : 3,100.71 = 1,658.86 : x
2. Step 2: Convert to fraction form
   2,246.61/3,100.71 = 1,658.86/x
3. Step 3: Cross multiply
   2,246.61x = 3,100.71 × 1,658.86
4. Step 4: Simplify right side
   2,246.61x = 5,143,643.79
5. Step 5: Solve for x
   x = 5,143,643.79/2,246.61
6. Step 6: Final answer
   x = 2,289.51