Finding the Fourth Proportional to 2,816.56, 3,885.89 and 1,697.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.56 : 3,885.89 = 1,697.07 : x
2. Step 2: Convert to fraction form
   2,816.56/3,885.89 = 1,697.07/x
3. Step 3: Cross multiply
   2,816.56x = 3,885.89 × 1,697.07
4. Step 4: Simplify right side
   2,816.56x = 6,594,627.34
5. Step 5: Solve for x
   x = 6,594,627.34/2,816.56
6. Step 6: Final answer
   x = 2,341.38