Finding the Fourth Proportional to 2,451.31, 3,677.49 and 1,152.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.31 : 3,677.49 = 1,152.07 : x
2. Step 2: Convert to fraction form
   2,451.31/3,677.49 = 1,152.07/x
3. Step 3: Cross multiply
   2,451.31x = 3,677.49 × 1,152.07
4. Step 4: Simplify right side
   2,451.31x = 4,236,725.90
5. Step 5: Solve for x
   x = 4,236,725.90/2,451.31
6. Step 6: Final answer
   x = 1,728.35