Finding the Fourth Proportional to 1,998.72, 2,998.04 and 700.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.72 : 2,998.04 = 700.16 : x
2. Step 2: Convert to fraction form
   1,998.72/2,998.04 = 700.16/x
3. Step 3: Cross multiply
   1,998.72x = 2,998.04 × 700.16
4. Step 4: Simplify right side
   1,998.72x = 2,099,107.69
5. Step 5: Solve for x
   x = 2,099,107.69/1,998.72
6. Step 6: Final answer
   x = 1,050.23