Finding the Fourth Proportional to 9,512.30, 13,139.52 and 7,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,512.30 : 13,139.52 = 7,301.50 : x
2. Step 2: Convert to fraction form
   9,512.30/13,139.52 = 7,301.50/x
3. Step 3: Cross multiply
   9,512.30x = 13,139.52 × 7,301.50
4. Step 4: Simplify right side
   9,512.30x = 95,938,172.43
5. Step 5: Solve for x
   x = 95,938,172.43/9,512.30
6. Step 6: Final answer
   x = 10,085.69