Finding the Fourth Proportional to 12,359.61, 17,057.48 and 7,055.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.61 : 17,057.48 = 7,055.22 : x
2. Step 2: Convert to fraction form
   12,359.61/17,057.48 = 7,055.22/x
3. Step 3: Cross multiply
   12,359.61x = 17,057.48 × 7,055.22
4. Step 4: Simplify right side
   12,359.61x = 120,344,274.05
5. Step 5: Solve for x
   x = 120,344,274.05/12,359.61
6. Step 6: Final answer
   x = 9,736.90