Finding the Fourth Proportional to 2,837.31, 3,915.42 and 1,578.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,837.31 : 3,915.42 = 1,578.37 : x
2. Step 2: Convert to fraction form
   2,837.31/3,915.42 = 1,578.37/x
3. Step 3: Cross multiply
   2,837.31x = 3,915.42 × 1,578.37
4. Step 4: Simplify right side
   2,837.31x = 6,179,981.47
5. Step 5: Solve for x
   x = 6,179,981.47/2,837.31
6. Step 6: Final answer
   x = 2,178.11