Finding the Fourth Proportional to 9,284.72, 13,926.72 and 3,045.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,284.72 : 13,926.72 = 3,045.20 : x
2. Step 2: Convert to fraction form
   9,284.72/13,926.72 = 3,045.20/x
3. Step 3: Cross multiply
   9,284.72x = 13,926.72 × 3,045.20
4. Step 4: Simplify right side
   9,284.72x = 42,409,647.74
5. Step 5: Solve for x
   x = 42,409,647.74/9,284.72
6. Step 6: Final answer
   x = 4,567.68