Finding the Fourth Proportional to 7,102.89, 9,802.72 and 4,271.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,102.89 : 9,802.72 = 4,271.19 : x
2. Step 2: Convert to fraction form
   7,102.89/9,802.72 = 4,271.19/x
3. Step 3: Cross multiply
   7,102.89x = 9,802.72 × 4,271.19
4. Step 4: Simplify right side
   7,102.89x = 41,869,279.64
5. Step 5: Solve for x
   x = 41,869,279.64/7,102.89
6. Step 6: Final answer
   x = 5,894.68