Finding the Fourth Proportional to 10,320.30, 15,447.60 and 5,383.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.30 : 15,447.60 = 5,383.17 : x
2. Step 2: Convert to fraction form
   10,320.30/15,447.60 = 5,383.17/x
3. Step 3: Cross multiply
   10,320.30x = 15,447.60 × 5,383.17
4. Step 4: Simplify right side
   10,320.30x = 83,157,056.89
5. Step 5: Solve for x
   x = 83,157,056.89/10,320.30
6. Step 6: Final answer
   x = 8,057.62