Finding the Fourth Proportional to 12,469.95, 18,715.86 and 5,074.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469.95 : 18,715.86 = 5,074.38 : x
2. Step 2: Convert to fraction form
   12,469.95/18,715.86 = 5,074.38/x
3. Step 3: Cross multiply
   12,469.95x = 18,715.86 × 5,074.38
4. Step 4: Simplify right side
   12,469.95x = 94,971,385.67
5. Step 5: Solve for x
   x = 94,971,385.67/12,469.95
6. Step 6: Final answer
   x = 7,616.02