Finding the Fourth Proportional to 1,763.56, 2,648.86 and 1,381.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.56 : 2,648.86 = 1,381.16 : x
2. Step 2: Convert to fraction form
   1,763.56/2,648.86 = 1,381.16/x
3. Step 3: Cross multiply
   1,763.56x = 2,648.86 × 1,381.16
4. Step 4: Simplify right side
   1,763.56x = 3,658,499.48
5. Step 5: Solve for x
   x = 3,658,499.48/1,763.56
6. Step 6: Final answer
   x = 2,074.50