Finding the Fourth Proportional to 2,887.59, 3,984.75 and 1,770.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,887.59 : 3,984.75 = 1,770.42 : x
2. Step 2: Convert to fraction form
   2,887.59/3,984.75 = 1,770.42/x
3. Step 3: Cross multiply
   2,887.59x = 3,984.75 × 1,770.42
4. Step 4: Simplify right side
   2,887.59x = 7,054,681.10
5. Step 5: Solve for x
   x = 7,054,681.10/2,887.59
6. Step 6: Final answer
   x = 2,443.10