Finding the Fourth Proportional to 10,554.20, 15,816.72 and 10,238.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.20 : 15,816.72 = 10,238.84 : x
2. Step 2: Convert to fraction form
   10,554.20/15,816.72 = 10,238.84/x
3. Step 3: Cross multiply
   10,554.20x = 15,816.72 × 10,238.84
4. Step 4: Simplify right side
   10,554.20x = 161,944,865.40
5. Step 5: Solve for x
   x = 161,944,865.40/10,554.20
6. Step 6: Final answer
   x = 15,344.12