Finding the Fourth Proportional to 12,683.30, 17,495.91 and 7,377.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.30 : 17,495.91 = 7,377.53 : x
2. Step 2: Convert to fraction form
   12,683.30/17,495.91 = 7,377.53/x
3. Step 3: Cross multiply
   12,683.30x = 17,495.91 × 7,377.53
4. Step 4: Simplify right side
   12,683.30x = 129,076,513.42
5. Step 5: Solve for x
   x = 129,076,513.42/12,683.30
6. Step 6: Final answer
   x = 10,176.89