Finding the Fourth Proportional to 9,618.82, 14,430.78 and 3,045.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.82 : 14,430.78 = 3,045.12 : x
2. Step 2: Convert to fraction form
   9,618.82/14,430.78 = 3,045.12/x
3. Step 3: Cross multiply
   9,618.82x = 14,430.78 × 3,045.12
4. Step 4: Simplify right side
   9,618.82x = 43,943,456.79
5. Step 5: Solve for x
   x = 43,943,456.79/9,618.82
6. Step 6: Final answer
   x = 4,568.49