Finding the Fourth Proportional to 2,619.09, 3,612.76 and 1,556.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.09 : 3,612.76 = 1,556.48 : x
2. Step 2: Convert to fraction form
   2,619.09/3,612.76 = 1,556.48/x
3. Step 3: Cross multiply
   2,619.09x = 3,612.76 × 1,556.48
4. Step 4: Simplify right side
   2,619.09x = 5,623,193.83
5. Step 5: Solve for x
   x = 5,623,193.83/2,619.09
6. Step 6: Final answer
   x = 2,147.00