Finding the Fourth Proportional to 12,710.14, 17,539.68 and 7,404.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,710.14 : 17,539.68 = 7,404.60 : x
2. Step 2: Convert to fraction form
   12,710.14/17,539.68 = 7,404.60/x
3. Step 3: Cross multiply
   12,710.14x = 17,539.68 × 7,404.60
4. Step 4: Simplify right side
   12,710.14x = 129,874,314.53
5. Step 5: Solve for x
   x = 129,874,314.53/12,710.14
6. Step 6: Final answer
   x = 10,218.17