Finding the Fourth Proportional to 12,664.37, 17,476.83 and 7,359.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,664.37 : 17,476.83 = 7,359.53 : x
2. Step 2: Convert to fraction form
   12,664.37/17,476.83 = 7,359.53/x
3. Step 3: Cross multiply
   12,664.37x = 17,476.83 × 7,359.53
4. Step 4: Simplify right side
   12,664.37x = 128,621,167.31
5. Step 5: Solve for x
   x = 128,621,167.31/12,664.37
6. Step 6: Final answer
   x = 10,156.15