Finding the Fourth Proportional to 2,650.48, 3,657.68 and 1,531.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.48 : 3,657.68 = 1,531.42 : x
2. Step 2: Convert to fraction form
   2,650.48/3,657.68 = 1,531.42/x
3. Step 3: Cross multiply
   2,650.48x = 3,657.68 × 1,531.42
4. Step 4: Simplify right side
   2,650.48x = 5,601,444.31
5. Step 5: Solve for x
   x = 5,601,444.31/2,650.48
6. Step 6: Final answer
   x = 2,113.37