Finding the Fourth Proportional to 2,448.46, 3,672.90 and 693.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.46 : 3,672.90 = 693.47 : x
2. Step 2: Convert to fraction form
   2,448.46/3,672.90 = 693.47/x
3. Step 3: Cross multiply
   2,448.46x = 3,672.90 × 693.47
4. Step 4: Simplify right side
   2,448.46x = 2,547,042.50
5. Step 5: Solve for x
   x = 2,547,042.50/2,448.46
6. Step 6: Final answer
   x = 1,040.27