Finding the Fourth Proportional to 1,602.42, 2,210.67 and 1,078.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.42 : 2,210.67 = 1,078.62 : x
2. Step 2: Convert to fraction form
   1,602.42/2,210.67 = 1,078.62/x
3. Step 3: Cross multiply
   1,602.42x = 2,210.67 × 1,078.62
4. Step 4: Simplify right side
   1,602.42x = 2,384,472.88
5. Step 5: Solve for x
   x = 2,384,472.88/1,602.42
6. Step 6: Final answer
   x = 1,488.04