Finding the Fourth Proportional to 11,229.89, 16,844.86 and 3,438.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,229.89 : 16,844.86 = 3,438.70 : x
2. Step 2: Convert to fraction form
   11,229.89/16,844.86 = 3,438.70/x
3. Step 3: Cross multiply
   11,229.89x = 16,844.86 × 3,438.70
4. Step 4: Simplify right side
   11,229.89x = 57,924,477.02
5. Step 5: Solve for x
   x = 57,924,477.02/11,229.89
6. Step 6: Final answer
   x = 5,158.06