Finding the Fourth Proportional to 2,447.09, 3,376.89 and 1,328.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.09 : 3,376.89 = 1,328.01 : x
2. Step 2: Convert to fraction form
   2,447.09/3,376.89 = 1,328.01/x
3. Step 3: Cross multiply
   2,447.09x = 3,376.89 × 1,328.01
4. Step 4: Simplify right side
   2,447.09x = 4,484,543.69
5. Step 5: Solve for x
   x = 4,484,543.69/2,447.09
6. Step 6: Final answer
   x = 1,832.61