Finding the Fourth Proportional to 2,518.38, 3,476.28 and 2,162.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.38 : 3,476.28 = 2,162.86 : x
2. Step 2: Convert to fraction form
   2,518.38/3,476.28 = 2,162.86/x
3. Step 3: Cross multiply
   2,518.38x = 3,476.28 × 2,162.86
4. Step 4: Simplify right side
   2,518.38x = 7,518,706.96
5. Step 5: Solve for x
   x = 7,518,706.96/2,518.38
6. Step 6: Final answer
   x = 2,985.53