Finding the Fourth Proportional to 11,041.31, 16,598.42 and 10,229.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,041.31 : 16,598.42 = 10,229.39 : x
2. Step 2: Convert to fraction form
   11,041.31/16,598.42 = 10,229.39/x
3. Step 3: Cross multiply
   11,041.31x = 16,598.42 × 10,229.39
4. Step 4: Simplify right side
   11,041.31x = 169,791,678.03
5. Step 5: Solve for x
   x = 169,791,678.03/11,041.31
6. Step 6: Final answer
   x = 15,377.85