Finding the Fourth Proportional to 2,004.50, 3,007.10 and 687.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.50 : 3,007.10 = 687.93 : x
2. Step 2: Convert to fraction form
   2,004.50/3,007.10 = 687.93/x
3. Step 3: Cross multiply
   2,004.50x = 3,007.10 × 687.93
4. Step 4: Simplify right side
   2,004.50x = 2,068,670.86
5. Step 5: Solve for x
   x = 2,068,670.86/2,004.50
6. Step 6: Final answer
   x = 1,032.02