Finding the Fourth Proportional to 12,476.33, 18,715.50 and 3,711.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,476.33 : 18,715.50 = 3,711.25 : x
2. Step 2: Convert to fraction form
   12,476.33/18,715.50 = 3,711.25/x
3. Step 3: Cross multiply
   12,476.33x = 18,715.50 × 3,711.25
4. Step 4: Simplify right side
   12,476.33x = 69,457,899.38
5. Step 5: Solve for x
   x = 69,457,899.38/12,476.33
6. Step 6: Final answer
   x = 5,567.17