Finding the Fourth Proportional to 1,556.86, 2,323.15 and 1,418.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.86 : 2,323.15 = 1,418.86 : x
2. Step 2: Convert to fraction form
   1,556.86/2,323.15 = 1,418.86/x
3. Step 3: Cross multiply
   1,556.86x = 2,323.15 × 1,418.86
4. Step 4: Simplify right side
   1,556.86x = 3,296,217.51
5. Step 5: Solve for x
   x = 3,296,217.51/1,556.86
6. Step 6: Final answer
   x = 2,117.22