Finding the Fourth Proportional to 2,748.82, 4,123.95 and 1,210.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.82 : 4,123.95 = 1,210.18 : x
2. Step 2: Convert to fraction form
   2,748.82/4,123.95 = 1,210.18/x
3. Step 3: Cross multiply
   2,748.82x = 4,123.95 × 1,210.18
4. Step 4: Simplify right side
   2,748.82x = 4,990,721.81
5. Step 5: Solve for x
   x = 4,990,721.81/2,748.82
6. Step 6: Final answer
   x = 1,815.59