Finding the Fourth Proportional to 9,529.82, 13,150.64 and 5,280.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,529.82 : 13,150.64 = 5,280.76 : x
2. Step 2: Convert to fraction form
   9,529.82/13,150.64 = 5,280.76/x
3. Step 3: Cross multiply
   9,529.82x = 13,150.64 × 5,280.76
4. Step 4: Simplify right side
   9,529.82x = 69,445,373.69
5. Step 5: Solve for x
   x = 69,445,373.69/9,529.82
6. Step 6: Final answer
   x = 7,287.17