Finding the Fourth Proportional to 10,302.16, 14,204.42 and 8,705.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,302.16 : 14,204.42 = 8,705.92 : x
2. Step 2: Convert to fraction form
   10,302.16/14,204.42 = 8,705.92/x
3. Step 3: Cross multiply
   10,302.16x = 14,204.42 × 8,705.92
4. Step 4: Simplify right side
   10,302.16x = 123,662,544.17
5. Step 5: Solve for x
   x = 123,662,544.17/10,302.16
6. Step 6: Final answer
   x = 12,003.55