Finding the Fourth Proportional to 2,618.78, 3,613.91 and 1,500.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.78 : 3,613.91 = 1,500.08 : x
2. Step 2: Convert to fraction form
   2,618.78/3,613.91 = 1,500.08/x
3. Step 3: Cross multiply
   2,618.78x = 3,613.91 × 1,500.08
4. Step 4: Simplify right side
   2,618.78x = 5,421,128.54
5. Step 5: Solve for x
   x = 5,421,128.54/2,618.78
6. Step 6: Final answer
   x = 2,070.10