Finding the Fourth Proportional to 2,445.60, 3,650.51 and 2,101.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.60 : 3,650.51 = 2,101.15 : x
2. Step 2: Convert to fraction form
   2,445.60/3,650.51 = 2,101.15/x
3. Step 3: Cross multiply
   2,445.60x = 3,650.51 × 2,101.15
4. Step 4: Simplify right side
   2,445.60x = 7,670,249.45
5. Step 5: Solve for x
   x = 7,670,249.45/2,445.60
6. Step 6: Final answer
   x = 3,136.35