Finding the Fourth Proportional to 9,947.98, 14,920.86 and 2,552.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.98 : 14,920.86 = 2,552.62 : x
2. Step 2: Convert to fraction form
   9,947.98/14,920.86 = 2,552.62/x
3. Step 3: Cross multiply
   9,947.98x = 14,920.86 × 2,552.62
4. Step 4: Simplify right side
   9,947.98x = 38,087,285.65
5. Step 5: Solve for x
   x = 38,087,285.65/9,947.98
6. Step 6: Final answer
   x = 3,828.65