Finding the Fourth Proportional to 2,518.56, 3,476.16 and 1,586.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.56 : 3,476.16 = 1,586.88 : x
2. Step 2: Convert to fraction form
   2,518.56/3,476.16 = 1,586.88/x
3. Step 3: Cross multiply
   2,518.56x = 3,476.16 × 1,586.88
4. Step 4: Simplify right side
   2,518.56x = 5,516,248.78
5. Step 5: Solve for x
   x = 5,516,248.78/2,518.56
6. Step 6: Final answer
   x = 2,190.24