Finding the Fourth Proportional to 6,886.14, 9,503.52 and 3,902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,886.14 : 9,503.52 = 3,902.10 : x
2. Step 2: Convert to fraction form
   6,886.14/9,503.52 = 3,902.10/x
3. Step 3: Cross multiply
   6,886.14x = 9,503.52 × 3,902.10
4. Step 4: Simplify right side
   6,886.14x = 37,083,685.39
5. Step 5: Solve for x
   x = 37,083,685.39/6,886.14
6. Step 6: Final answer
   x = 5,385.26