Finding the Fourth Proportional to 12,362.40, 17,061.30 and 7,057.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.40 : 17,061.30 = 7,057.62 : x
2. Step 2: Convert to fraction form
   12,362.40/17,061.30 = 7,057.62/x
3. Step 3: Cross multiply
   12,362.40x = 17,061.30 × 7,057.62
4. Step 4: Simplify right side
   12,362.40x = 120,412,172.11
5. Step 5: Solve for x
   x = 120,412,172.11/12,362.40
6. Step 6: Final answer
   x = 9,740.19