Finding the Fourth Proportional to 8,715.88, 13,074.72 and 3,784.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,715.88 : 13,074.72 = 3,784.12 : x
2. Step 2: Convert to fraction form
   8,715.88/13,074.72 = 3,784.12/x
3. Step 3: Cross multiply
   8,715.88x = 13,074.72 × 3,784.12
4. Step 4: Simplify right side
   8,715.88x = 49,476,309.45
5. Step 5: Solve for x
   x = 49,476,309.45/8,715.88
6. Step 6: Final answer
   x = 5,676.57