Finding the Fourth Proportional to 12,359.28, 17,054.72 and 7,322.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.28 : 17,054.72 = 7,322.58 : x
2. Step 2: Convert to fraction form
   12,359.28/17,054.72 = 7,322.58/x
3. Step 3: Cross multiply
   12,359.28x = 17,054.72 × 7,322.58
4. Step 4: Simplify right side
   12,359.28x = 124,884,551.58
5. Step 5: Solve for x
   x = 124,884,551.58/12,359.28
6. Step 6: Final answer
   x = 10,104.52