Finding the Fourth Proportional to 2,478.22, 3,715.53 and 1,504.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.22 : 3,715.53 = 1,504.15 : x
2. Step 2: Convert to fraction form
   2,478.22/3,715.53 = 1,504.15/x
3. Step 3: Cross multiply
   2,478.22x = 3,715.53 × 1,504.15
4. Step 4: Simplify right side
   2,478.22x = 5,588,714.45
5. Step 5: Solve for x
   x = 5,588,714.45/2,478.22
6. Step 6: Final answer
   x = 2,255.13