Finding the Fourth Proportional to 5,196.84, 7,172.82 and 3,102.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.84 : 7,172.82 = 3,102.60 : x
2. Step 2: Convert to fraction form
   5,196.84/7,172.82 = 3,102.60/x
3. Step 3: Cross multiply
   5,196.84x = 7,172.82 × 3,102.60
4. Step 4: Simplify right side
   5,196.84x = 22,254,391.33
5. Step 5: Solve for x
   x = 22,254,391.33/5,196.84
6. Step 6: Final answer
   x = 4,282.29