Finding the Fourth Proportional to 12,359.48, 17,056 and 7,054

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.48 : 17,056 = 7,054 : x
2. Step 2: Convert to fraction form
   12,359.48/17,056 = 7,054/x
3. Step 3: Cross multiply
   12,359.48x = 17,056 × 7,054
4. Step 4: Simplify right side
   12,359.48x = 120,313,024
5. Step 5: Solve for x
   x = 120,313,024/12,359.48
6. Step 6: Final answer
   x = 9,734.47