Finding the Fourth Proportional to 12,429.42, 17,152.44 and 7,052.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.42 : 17,152.44 = 7,052.85 : x
2. Step 2: Convert to fraction form
   12,429.42/17,152.44 = 7,052.85/x
3. Step 3: Cross multiply
   12,429.42x = 17,152.44 × 7,052.85
4. Step 4: Simplify right side
   12,429.42x = 120,973,586.45
5. Step 5: Solve for x
   x = 120,973,586.45/12,429.42
6. Step 6: Final answer
   x = 9,732.84