Finding the Fourth Proportional to 2,618.23, 3,613.13 and 1,499.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.23 : 3,613.13 = 1,499.15 : x
2. Step 2: Convert to fraction form
   2,618.23/3,613.13 = 1,499.15/x
3. Step 3: Cross multiply
   2,618.23x = 3,613.13 × 1,499.15
4. Step 4: Simplify right side
   2,618.23x = 5,416,623.84
5. Step 5: Solve for x
   x = 5,416,623.84/2,618.23
6. Step 6: Final answer
   x = 2,068.81