Finding the Fourth Proportional to 9,292.50, 12,817.81 and 5,512.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,292.50 : 12,817.81 = 5,512.99 : x
2. Step 2: Convert to fraction form
   9,292.50/12,817.81 = 5,512.99/x
3. Step 3: Cross multiply
   9,292.50x = 12,817.81 × 5,512.99
4. Step 4: Simplify right side
   9,292.50x = 70,664,419.50
5. Step 5: Solve for x
   x = 70,664,419.50/9,292.50
6. Step 6: Final answer
   x = 7,604.46