Finding the Fourth Proportional to 12,359.85, 17,057.81 and 7,055.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.85 : 17,057.81 = 7,055.46 : x
2. Step 2: Convert to fraction form
   12,359.85/17,057.81 = 7,055.46/x
3. Step 3: Cross multiply
   12,359.85x = 17,057.81 × 7,055.46
4. Step 4: Simplify right side
   12,359.85x = 120,350,756.43
5. Step 5: Solve for x
   x = 120,350,756.43/12,359.85
6. Step 6: Final answer
   x = 9,737.24