Finding the Fourth Proportional to 1,556.12, 2,149.80 and 1,162.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.12 : 2,149.80 = 1,162.46 : x
2. Step 2: Convert to fraction form
   1,556.12/2,149.80 = 1,162.46/x
3. Step 3: Cross multiply
   1,556.12x = 2,149.80 × 1,162.46
4. Step 4: Simplify right side
   1,556.12x = 2,499,056.51
5. Step 5: Solve for x
   x = 2,499,056.51/1,556.12
6. Step 6: Final answer
   x = 1,605.95