Finding the Fourth Proportional to 10,350, 15,526.62 and 3,426.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,350 : 15,526.62 = 3,426.12 : x
2. Step 2: Convert to fraction form
   10,350/15,526.62 = 3,426.12/x
3. Step 3: Cross multiply
   10,350x = 15,526.62 × 3,426.12
4. Step 4: Simplify right side
   10,350x = 53,196,063.31
5. Step 5: Solve for x
   x = 53,196,063.31/10,350
6. Step 6: Final answer
   x = 5,139.72