Finding the Fourth Proportional to 2,530.85, 3,494.78 and 1,588.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.85 : 3,494.78 = 1,588.28 : x
2. Step 2: Convert to fraction form
   2,530.85/3,494.78 = 1,588.28/x
3. Step 3: Cross multiply
   2,530.85x = 3,494.78 × 1,588.28
4. Step 4: Simplify right side
   2,530.85x = 5,550,669.72
5. Step 5: Solve for x
   x = 5,550,669.72/2,530.85
6. Step 6: Final answer
   x = 2,193.21