Finding the Fourth Proportional to 12,430.87, 17,150.73 and 7,052.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,430.87 : 17,150.73 = 7,052.42 : x
2. Step 2: Convert to fraction form
   12,430.87/17,150.73 = 7,052.42/x
3. Step 3: Cross multiply
   12,430.87x = 17,150.73 × 7,052.42
4. Step 4: Simplify right side
   12,430.87x = 120,954,065.51
5. Step 5: Solve for x
   x = 120,954,065.51/12,430.87
6. Step 6: Final answer
   x = 9,730.14