Finding the Fourth Proportional to 3,151.87, 4,348.82 and 1,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151.87 : 4,348.82 = 1,892.72 : x
2. Step 2: Convert to fraction form
   3,151.87/4,348.82 = 1,892.72/x
3. Step 3: Cross multiply
   3,151.87x = 4,348.82 × 1,892.72
4. Step 4: Simplify right side
   3,151.87x = 8,231,114.19
5. Step 5: Solve for x
   x = 8,231,114.19/3,151.87
6. Step 6: Final answer
   x = 2,611.50