Finding the Fourth Proportional to 12,649.74, 17,452.76 and 7,343.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,649.74 : 17,452.76 = 7,343.49 : x
2. Step 2: Convert to fraction form
   12,649.74/17,452.76 = 7,343.49/x
3. Step 3: Cross multiply
   12,649.74x = 17,452.76 × 7,343.49
4. Step 4: Simplify right side
   12,649.74x = 128,164,131.81
5. Step 5: Solve for x
   x = 128,164,131.81/12,649.74
6. Step 6: Final answer
   x = 10,131.76