Finding the Fourth Proportional to 12,417.35, 17,136.01 and 7,380.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.35 : 17,136.01 = 7,380.59 : x
2. Step 2: Convert to fraction form
   12,417.35/17,136.01 = 7,380.59/x
3. Step 3: Cross multiply
   12,417.35x = 17,136.01 × 7,380.59
4. Step 4: Simplify right side
   12,417.35x = 126,473,864.05
5. Step 5: Solve for x
   x = 126,473,864.05/12,417.35
6. Step 6: Final answer
   x = 10,185.25