Finding the Fourth Proportional to 3,123.69, 4,691.61 and 2,298.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.69 : 4,691.61 = 2,298.71 : x
2. Step 2: Convert to fraction form
   3,123.69/4,691.61 = 2,298.71/x
3. Step 3: Cross multiply
   3,123.69x = 4,691.61 × 2,298.71
4. Step 4: Simplify right side
   3,123.69x = 10,784,627.37
5. Step 5: Solve for x
   x = 10,784,627.37/3,123.69
6. Step 6: Final answer
   x = 3,452.53