Finding the Fourth Proportional to 2,870.08, 4,298.20 and 1,633.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.08 : 4,298.20 = 1,633.74 : x
2. Step 2: Convert to fraction form
   2,870.08/4,298.20 = 1,633.74/x
3. Step 3: Cross multiply
   2,870.08x = 4,298.20 × 1,633.74
4. Step 4: Simplify right side
   2,870.08x = 7,022,133.10
5. Step 5: Solve for x
   x = 7,022,133.10/2,870.08
6. Step 6: Final answer
   x = 2,446.67