Finding the Fourth Proportional to 1,372.41, 1,892.84 and 875.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.41 : 1,892.84 = 875.36 : x
2. Step 2: Convert to fraction form
   1,372.41/1,892.84 = 875.36/x
3. Step 3: Cross multiply
   1,372.41x = 1,892.84 × 875.36
4. Step 4: Simplify right side
   1,372.41x = 1,656,916.78
5. Step 5: Solve for x
   x = 1,656,916.78/1,372.41
6. Step 6: Final answer
   x = 1,207.30