Finding the Fourth Proportional to 11,454.17, 17,181.90 and 3,557.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,454.17 : 17,181.90 = 3,557.43 : x
2. Step 2: Convert to fraction form
   11,454.17/17,181.90 = 3,557.43/x
3. Step 3: Cross multiply
   11,454.17x = 17,181.90 × 3,557.43
4. Step 4: Simplify right side
   11,454.17x = 61,123,406.52
5. Step 5: Solve for x
   x = 61,123,406.52/11,454.17
6. Step 6: Final answer
   x = 5,336.35