Finding the Fourth Proportional to 12,590.37, 17,372.81 and 7,553.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,590.37 : 17,372.81 = 7,553.49 : x
2. Step 2: Convert to fraction form
   12,590.37/17,372.81 = 7,553.49/x
3. Step 3: Cross multiply
   12,590.37x = 17,372.81 × 7,553.49
4. Step 4: Simplify right side
   12,590.37x = 131,225,308.84
5. Step 5: Solve for x
   x = 131,225,308.84/12,590.37
6. Step 6: Final answer
   x = 10,422.67