Finding the Fourth Proportional to 12,372.63, 17,074.29 and 7,339.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,372.63 : 17,074.29 = 7,339.38 : x
2. Step 2: Convert to fraction form
   12,372.63/17,074.29 = 7,339.38/x
3. Step 3: Cross multiply
   12,372.63x = 17,074.29 × 7,339.38
4. Step 4: Simplify right side
   12,372.63x = 125,314,702.54
5. Step 5: Solve for x
   x = 125,314,702.54/12,372.63
6. Step 6: Final answer
   x = 10,128.38