Finding the Fourth Proportional to 1,371.86, 1,892.40 and 847.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.86 : 1,892.40 = 847.52 : x
2. Step 2: Convert to fraction form
   1,371.86/1,892.40 = 847.52/x
3. Step 3: Cross multiply
   1,371.86x = 1,892.40 × 847.52
4. Step 4: Simplify right side
   1,371.86x = 1,603,846.85
5. Step 5: Solve for x
   x = 1,603,846.85/1,371.86
6. Step 6: Final answer
   x = 1,169.10