Finding the Fourth Proportional to 2,374.41, 3,275.73 and 1,578.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.41 : 3,275.73 = 1,578.12 : x
2. Step 2: Convert to fraction form
   2,374.41/3,275.73 = 1,578.12/x
3. Step 3: Cross multiply
   2,374.41x = 3,275.73 × 1,578.12
4. Step 4: Simplify right side
   2,374.41x = 5,169,495.03
5. Step 5: Solve for x
   x = 5,169,495.03/2,374.41
6. Step 6: Final answer
   x = 2,177.17