Finding the Fourth Proportional to 9,288.49, 13,931.98 and 2,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.49 : 13,931.98 = 2,624.72 : x
2. Step 2: Convert to fraction form
   9,288.49/13,931.98 = 2,624.72/x
3. Step 3: Cross multiply
   9,288.49x = 13,931.98 × 2,624.72
4. Step 4: Simplify right side
   9,288.49x = 36,567,470.32
5. Step 5: Solve for x
   x = 36,567,470.32/9,288.49
6. Step 6: Final answer
   x = 3,936.86