Finding the Fourth Proportional to 10,902.06, 16,358.49 and 4,328.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.06 : 16,358.49 = 4,328.10 : x
2. Step 2: Convert to fraction form
   10,902.06/16,358.49 = 4,328.10/x
3. Step 3: Cross multiply
   10,902.06x = 16,358.49 × 4,328.10
4. Step 4: Simplify right side
   10,902.06x = 70,801,180.57
5. Step 5: Solve for x
   x = 70,801,180.57/10,902.06
6. Step 6: Final answer
   x = 6,494.29