Finding the Fourth Proportional to 2,870.66, 4,308.16 and 2,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.66 : 4,308.16 = 2,300.42 : x
2. Step 2: Convert to fraction form
   2,870.66/4,308.16 = 2,300.42/x
3. Step 3: Cross multiply
   2,870.66x = 4,308.16 × 2,300.42
4. Step 4: Simplify right side
   2,870.66x = 9,910,577.43
5. Step 5: Solve for x
   x = 9,910,577.43/2,870.66
6. Step 6: Final answer
   x = 3,452.37