Finding the Fourth Proportional to 12,736.02, 17,573.32 and 7,429.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.02 : 17,573.32 = 7,429.51 : x
2. Step 2: Convert to fraction form
   12,736.02/17,573.32 = 7,429.51/x
3. Step 3: Cross multiply
   12,736.02x = 17,573.32 × 7,429.51
4. Step 4: Simplify right side
   12,736.02x = 130,561,156.67
5. Step 5: Solve for x
   x = 130,561,156.67/12,736.02
6. Step 6: Final answer
   x = 10,251.33