Finding the Fourth Proportional to 12,603.58, 17,393.70 and 7,300.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.58 : 17,393.70 = 7,300.06 : x
2. Step 2: Convert to fraction form
   12,603.58/17,393.70 = 7,300.06/x
3. Step 3: Cross multiply
   12,603.58x = 17,393.70 × 7,300.06
4. Step 4: Simplify right side
   12,603.58x = 126,975,053.62
5. Step 5: Solve for x
   x = 126,975,053.62/12,603.58
6. Step 6: Final answer
   x = 10,074.52