Finding the Fourth Proportional to 9,439.50, 13,007.30 and 7,302.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,439.50 : 13,007.30 = 7,302.05 : x
2. Step 2: Convert to fraction form
   9,439.50/13,007.30 = 7,302.05/x
3. Step 3: Cross multiply
   9,439.50x = 13,007.30 × 7,302.05
4. Step 4: Simplify right side
   9,439.50x = 94,979,889.93
5. Step 5: Solve for x
   x = 94,979,889.93/9,439.50
6. Step 6: Final answer
   x = 10,061.96