Finding the Fourth Proportional to 3,619.16, 5,426.90 and 1,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.16 : 5,426.90 = 1,767.50 : x
2. Step 2: Convert to fraction form
   3,619.16/5,426.90 = 1,767.50/x
3. Step 3: Cross multiply
   3,619.16x = 5,426.90 × 1,767.50
4. Step 4: Simplify right side
   3,619.16x = 9,592,009.78
5. Step 5: Solve for x
   x = 9,592,009.78/3,619.16
6. Step 6: Final answer
   x = 2,650.35