Finding the Fourth Proportional to 9,911.98, 14,870.09 and 3,338.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,911.98 : 14,870.09 = 3,338.07 : x
2. Step 2: Convert to fraction form
   9,911.98/14,870.09 = 3,338.07/x
3. Step 3: Cross multiply
   9,911.98x = 14,870.09 × 3,338.07
4. Step 4: Simplify right side
   9,911.98x = 49,637,409.67
5. Step 5: Solve for x
   x = 49,637,409.67/9,911.98
6. Step 6: Final answer
   x = 5,007.82