Finding the Fourth Proportional to 12,735.93, 17,575.58 and 7,429.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.93 : 17,575.58 = 7,429.72 : x
2. Step 2: Convert to fraction form
   12,735.93/17,575.58 = 7,429.72/x
3. Step 3: Cross multiply
   12,735.93x = 17,575.58 × 7,429.72
4. Step 4: Simplify right side
   12,735.93x = 130,581,601.09
5. Step 5: Solve for x
   x = 130,581,601.09/12,735.93
6. Step 6: Final answer
   x = 10,253.01