Finding the Fourth Proportional to 2,354.69, 3,249.55 and 1,558.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.69 : 3,249.55 = 1,558.70 : x
2. Step 2: Convert to fraction form
   2,354.69/3,249.55 = 1,558.70/x
3. Step 3: Cross multiply
   2,354.69x = 3,249.55 × 1,558.70
4. Step 4: Simplify right side
   2,354.69x = 5,065,071.47
5. Step 5: Solve for x
   x = 5,065,071.47/2,354.69
6. Step 6: Final answer
   x = 2,151.05