Finding the Fourth Proportional to 2,456.42, 3,685.86 and 1,531.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.42 : 3,685.86 = 1,531.76 : x
2. Step 2: Convert to fraction form
   2,456.42/3,685.86 = 1,531.76/x
3. Step 3: Cross multiply
   2,456.42x = 3,685.86 × 1,531.76
4. Step 4: Simplify right side
   2,456.42x = 5,645,834.48
5. Step 5: Solve for x
   x = 5,645,834.48/2,456.42
6. Step 6: Final answer
   x = 2,298.40