Finding the Fourth Proportional to 9,999.39, 14,994.06 and 3,333.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,999.39 : 14,994.06 = 3,333.53 : x
2. Step 2: Convert to fraction form
   9,999.39/14,994.06 = 3,333.53/x
3. Step 3: Cross multiply
   9,999.39x = 14,994.06 × 3,333.53
4. Step 4: Simplify right side
   9,999.39x = 49,983,148.83
5. Step 5: Solve for x
   x = 49,983,148.83/9,999.39
6. Step 6: Final answer
   x = 4,998.62