Finding the Fourth Proportional to 12,429.99, 17,151.57 and 7,051.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.99 : 17,151.57 = 7,051.59 : x
2. Step 2: Convert to fraction form
   12,429.99/17,151.57 = 7,051.59/x
3. Step 3: Cross multiply
   12,429.99x = 17,151.57 × 7,051.59
4. Step 4: Simplify right side
   12,429.99x = 120,945,839.50
5. Step 5: Solve for x
   x = 120,945,839.50/12,429.99
6. Step 6: Final answer
   x = 9,730.16