Finding the Fourth Proportional to 2,619.07, 3,614.76 and 1,556.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.07 : 3,614.76 = 1,556.89 : x
2. Step 2: Convert to fraction form
   2,619.07/3,614.76 = 1,556.89/x
3. Step 3: Cross multiply
   2,619.07x = 3,614.76 × 1,556.89
4. Step 4: Simplify right side
   2,619.07x = 5,627,774.66
5. Step 5: Solve for x
   x = 5,627,774.66/2,619.07
6. Step 6: Final answer
   x = 2,148.77