Finding the Fourth Proportional to 2,870.42, 4,301.53 and 1,635.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.42 : 4,301.53 = 1,635.28 : x
2. Step 2: Convert to fraction form
   2,870.42/4,301.53 = 1,635.28/x
3. Step 3: Cross multiply
   2,870.42x = 4,301.53 × 1,635.28
4. Step 4: Simplify right side
   2,870.42x = 7,034,196.14
5. Step 5: Solve for x
   x = 7,034,196.14/2,870.42
6. Step 6: Final answer
   x = 2,450.58