Finding the Fourth Proportional to 9,074.54, 13,605.89 and 3,812.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,074.54 : 13,605.89 = 3,812.91 : x
2. Step 2: Convert to fraction form
   9,074.54/13,605.89 = 3,812.91/x
3. Step 3: Cross multiply
   9,074.54x = 13,605.89 × 3,812.91
4. Step 4: Simplify right side
   9,074.54x = 51,878,014.98
5. Step 5: Solve for x
   x = 51,878,014.98/9,074.54
6. Step 6: Final answer
   x = 5,716.88