Finding the Fourth Proportional to 2,530.42, 3,493.72 and 1,586.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.42 : 3,493.72 = 1,586.62 : x
2. Step 2: Convert to fraction form
   2,530.42/3,493.72 = 1,586.62/x
3. Step 3: Cross multiply
   2,530.42x = 3,493.72 × 1,586.62
4. Step 4: Simplify right side
   2,530.42x = 5,543,206.03
5. Step 5: Solve for x
   x = 5,543,206.03/2,530.42
6. Step 6: Final answer
   x = 2,190.63