Finding the Fourth Proportional to 11,341.35, 17,009.60 and 3,545.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,341.35 : 17,009.60 = 3,545.91 : x
2. Step 2: Convert to fraction form
   11,341.35/17,009.60 = 3,545.91/x
3. Step 3: Cross multiply
   11,341.35x = 17,009.60 × 3,545.91
4. Step 4: Simplify right side
   11,341.35x = 60,314,493.01
5. Step 5: Solve for x
   x = 60,314,493.01/11,341.35
6. Step 6: Final answer
   x = 5,318.11