Finding the Fourth Proportional to 9,501.76, 13,112.58 and 5,310.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.76 : 13,112.58 = 5,310.28 : x
2. Step 2: Convert to fraction form
   9,501.76/13,112.58 = 5,310.28/x
3. Step 3: Cross multiply
   9,501.76x = 13,112.58 × 5,310.28
4. Step 4: Simplify right side
   9,501.76x = 69,631,471.32
5. Step 5: Solve for x
   x = 69,631,471.32/9,501.76
6. Step 6: Final answer
   x = 7,328.27