Finding the Fourth Proportional to 3,061.18, 4,220.71 and 2,588.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.18 : 4,220.71 = 2,588.23 : x
2. Step 2: Convert to fraction form
   3,061.18/4,220.71 = 2,588.23/x
3. Step 3: Cross multiply
   3,061.18x = 4,220.71 × 2,588.23
4. Step 4: Simplify right side
   3,061.18x = 10,924,168.24
5. Step 5: Solve for x
   x = 10,924,168.24/3,061.18
6. Step 6: Final answer
   x = 3,568.61