Finding the Fourth Proportional to 10,336.20, 15,501.60 and 7,048.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,336.20 : 15,501.60 = 7,048.68 : x
2. Step 2: Convert to fraction form
   10,336.20/15,501.60 = 7,048.68/x
3. Step 3: Cross multiply
   10,336.20x = 15,501.60 × 7,048.68
4. Step 4: Simplify right side
   10,336.20x = 109,265,817.89
5. Step 5: Solve for x
   x = 109,265,817.89/10,336.20
6. Step 6: Final answer
   x = 10,571.18