Finding the Fourth Proportional to 12,429.43, 17,148.75 and 7,050.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.43 : 17,148.75 = 7,050.98 : x
2. Step 2: Convert to fraction form
   12,429.43/17,148.75 = 7,050.98/x
3. Step 3: Cross multiply
   12,429.43x = 17,148.75 × 7,050.98
4. Step 4: Simplify right side
   12,429.43x = 120,915,458.02
5. Step 5: Solve for x
   x = 120,915,458.02/12,429.43
6. Step 6: Final answer
   x = 9,728.16