Finding the Fourth Proportional to 23,260.61, 34,870.12 and 8,459.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,260.61 : 34,870.12 = 8,459.09 : x
2. Step 2: Convert to fraction form
   23,260.61/34,870.12 = 8,459.09/x
3. Step 3: Cross multiply
   23,260.61x = 34,870.12 × 8,459.09
4. Step 4: Simplify right side
   23,260.61x = 294,969,549.42
5. Step 5: Solve for x
   x = 294,969,549.42/23,260.61
6. Step 6: Final answer
   x = 12,681.08