Finding the Fourth Proportional to 12,430, 17,153.40 and 7,462

Step by Step Solution

1. Step 1: Write the proportion equation
   12,430 : 17,153.40 = 7,462 : x
2. Step 2: Convert to fraction form
   12,430/17,153.40 = 7,462/x
3. Step 3: Cross multiply
   12,430x = 17,153.40 × 7,462
4. Step 4: Simplify right side
   12,430x = 127,998,670.80
5. Step 5: Solve for x
   x = 127,998,670.80/12,430
6. Step 6: Final answer
   x = 10,297.56