Finding the Fourth Proportional to 2,531.01, 3,797.57 and 1,215.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.01 : 3,797.57 = 1,215.47 : x
2. Step 2: Convert to fraction form
   2,531.01/3,797.57 = 1,215.47/x
3. Step 3: Cross multiply
   2,531.01x = 3,797.57 × 1,215.47
4. Step 4: Simplify right side
   2,531.01x = 4,615,832.41
5. Step 5: Solve for x
   x = 4,615,832.41/2,531.01
6. Step 6: Final answer
   x = 1,823.71