Finding the Fourth Proportional to 2,200.76, 3,301.44 and 1,681.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.76 : 3,301.44 = 1,681.75 : x
2. Step 2: Convert to fraction form
   2,200.76/3,301.44 = 1,681.75/x
3. Step 3: Cross multiply
   2,200.76x = 3,301.44 × 1,681.75
4. Step 4: Simplify right side
   2,200.76x = 5,552,196.72
5. Step 5: Solve for x
   x = 5,552,196.72/2,200.76
6. Step 6: Final answer
   x = 2,522.85