Finding the Fourth Proportional to 9,063.38, 12,507.50 and 5,289.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,063.38 : 12,507.50 = 5,289.15 : x
2. Step 2: Convert to fraction form
   9,063.38/12,507.50 = 5,289.15/x
3. Step 3: Cross multiply
   9,063.38x = 12,507.50 × 5,289.15
4. Step 4: Simplify right side
   9,063.38x = 66,154,017.18
5. Step 5: Solve for x
   x = 66,154,017.18/9,063.38
6. Step 6: Final answer
   x = 7,299.05