Finding the Fourth Proportional to 1,556.69, 2,322.81 and 1,547.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.69 : 2,322.81 = 1,547.55 : x
2. Step 2: Convert to fraction form
   1,556.69/2,322.81 = 1,547.55/x
3. Step 3: Cross multiply
   1,556.69x = 2,322.81 × 1,547.55
4. Step 4: Simplify right side
   1,556.69x = 3,594,664.62
5. Step 5: Solve for x
   x = 3,594,664.62/1,556.69
6. Step 6: Final answer
   x = 2,309.18