Finding the Fourth Proportional to 2,099.70, 3,141.78 and 1,484.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.70 : 3,141.78 = 1,484.88 : x
2. Step 2: Convert to fraction form
   2,099.70/3,141.78 = 1,484.88/x
3. Step 3: Cross multiply
   2,099.70x = 3,141.78 × 1,484.88
4. Step 4: Simplify right side
   2,099.70x = 4,665,166.29
5. Step 5: Solve for x
   x = 4,665,166.29/2,099.70
6. Step 6: Final answer
   x = 2,221.83