Finding the Fourth Proportional to 12,683.34, 17,507.32 and 7,382.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.34 : 17,507.32 = 7,382.61 : x
2. Step 2: Convert to fraction form
   12,683.34/17,507.32 = 7,382.61/x
3. Step 3: Cross multiply
   12,683.34x = 17,507.32 × 7,382.61
4. Step 4: Simplify right side
   12,683.34x = 129,249,628.17
5. Step 5: Solve for x
   x = 129,249,628.17/12,683.34
6. Step 6: Final answer
   x = 10,190.51