Finding the Fourth Proportional to 9,288.28, 13,931.93 and 3,047.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.28 : 13,931.93 = 3,047.47 : x
2. Step 2: Convert to fraction form
   9,288.28/13,931.93 = 3,047.47/x
3. Step 3: Cross multiply
   9,288.28x = 13,931.93 × 3,047.47
4. Step 4: Simplify right side
   9,288.28x = 42,457,138.72
5. Step 5: Solve for x
   x = 42,457,138.72/9,288.28
6. Step 6: Final answer
   x = 4,571.04