Finding the Fourth Proportional to 2,746.78, 3,790.50 and 1,487.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,746.78 : 3,790.50 = 1,487.81 : x
2. Step 2: Convert to fraction form
   2,746.78/3,790.50 = 1,487.81/x
3. Step 3: Cross multiply
   2,746.78x = 3,790.50 × 1,487.81
4. Step 4: Simplify right side
   2,746.78x = 5,639,547.70
5. Step 5: Solve for x
   x = 5,639,547.70/2,746.78
6. Step 6: Final answer
   x = 2,053.15