Finding the Fourth Proportional to 2,613.35, 3,602.93 and 2,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.35 : 3,602.93 = 2,238.72 : x
2. Step 2: Convert to fraction form
   2,613.35/3,602.93 = 2,238.72/x
3. Step 3: Cross multiply
   2,613.35x = 3,602.93 × 2,238.72
4. Step 4: Simplify right side
   2,613.35x = 8,065,940.26
5. Step 5: Solve for x
   x = 8,065,940.26/2,613.35
6. Step 6: Final answer
   x = 3,086.44