Finding the Fourth Proportional to 9,063.29, 12,507.35 and 5,289.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,063.29 : 12,507.35 = 5,289.05 : x
2. Step 2: Convert to fraction form
   9,063.29/12,507.35 = 5,289.05/x
3. Step 3: Cross multiply
   9,063.29x = 12,507.35 × 5,289.05
4. Step 4: Simplify right side
   9,063.29x = 66,152,004.34
5. Step 5: Solve for x
   x = 66,152,004.34/9,063.29
6. Step 6: Final answer
   x = 7,298.89