Finding the Fourth Proportional to 2,516.68, 3,775.32 and 667.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.68 : 3,775.32 = 667.84 : x
2. Step 2: Convert to fraction form
   2,516.68/3,775.32 = 667.84/x
3. Step 3: Cross multiply
   2,516.68x = 3,775.32 × 667.84
4. Step 4: Simplify right side
   2,516.68x = 2,521,300.27
5. Step 5: Solve for x
   x = 2,521,300.27/2,516.68
6. Step 6: Final answer
   x = 1,001.84