Finding the Fourth Proportional to 9,912.45, 14,870.96 and 3,338.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.45 : 14,870.96 = 3,338.47 : x
2. Step 2: Convert to fraction form
   9,912.45/14,870.96 = 3,338.47/x
3. Step 3: Cross multiply
   9,912.45x = 14,870.96 × 3,338.47
4. Step 4: Simplify right side
   9,912.45x = 49,646,253.83
5. Step 5: Solve for x
   x = 49,646,253.83/9,912.45
6. Step 6: Final answer
   x = 5,008.47