Finding the Fourth Proportional to 12,523.29, 17,282.15 and 7,807.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,523.29 : 17,282.15 = 7,807.56 : x
2. Step 2: Convert to fraction form
   12,523.29/17,282.15 = 7,807.56/x
3. Step 3: Cross multiply
   12,523.29x = 17,282.15 × 7,807.56
4. Step 4: Simplify right side
   12,523.29x = 134,931,423.05
5. Step 5: Solve for x
   x = 134,931,423.05/12,523.29
6. Step 6: Final answer
   x = 10,774.44