Finding the Fourth Proportional to 9,020.50, 13,531.47 and 2,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.50 : 13,531.47 = 2,864.50 : x
2. Step 2: Convert to fraction form
   9,020.50/13,531.47 = 2,864.50/x
3. Step 3: Cross multiply
   9,020.50x = 13,531.47 × 2,864.50
4. Step 4: Simplify right side
   9,020.50x = 38,760,895.82
5. Step 5: Solve for x
   x = 38,760,895.82/9,020.50
6. Step 6: Final answer
   x = 4,296.98