Finding the Fourth Proportional to 12,568.53, 17,334.86 and 9,210.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.53 : 17,334.86 = 9,210.09 : x
2. Step 2: Convert to fraction form
   12,568.53/17,334.86 = 9,210.09/x
3. Step 3: Cross multiply
   12,568.53x = 17,334.86 × 9,210.09
4. Step 4: Simplify right side
   12,568.53x = 159,655,574.69
5. Step 5: Solve for x
   x = 159,655,574.69/12,568.53
6. Step 6: Final answer
   x = 12,702.80