Finding the Fourth Proportional to 12,406.17, 17,112.96 and 7,366.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.17 : 17,112.96 = 7,366.98 : x
2. Step 2: Convert to fraction form
   12,406.17/17,112.96 = 7,366.98/x
3. Step 3: Cross multiply
   12,406.17x = 17,112.96 × 7,366.98
4. Step 4: Simplify right side
   12,406.17x = 126,070,834.06
5. Step 5: Solve for x
   x = 126,070,834.06/12,406.17
6. Step 6: Final answer
   x = 10,161.95