Finding the Fourth Proportional to 2,054.31, 2,835.23 and 1,556.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.31 : 2,835.23 = 1,556.16 : x
2. Step 2: Convert to fraction form
   2,054.31/2,835.23 = 1,556.16/x
3. Step 3: Cross multiply
   2,054.31x = 2,835.23 × 1,556.16
4. Step 4: Simplify right side
   2,054.31x = 4,412,063.74
5. Step 5: Solve for x
   x = 4,412,063.74/2,054.31
6. Step 6: Final answer
   x = 2,147.71