Finding the Fourth Proportional to 11,587.39, 17,404.35 and 6,916.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,587.39 : 17,404.35 = 6,916.52 : x
2. Step 2: Convert to fraction form
   11,587.39/17,404.35 = 6,916.52/x
3. Step 3: Cross multiply
   11,587.39x = 17,404.35 × 6,916.52
4. Step 4: Simplify right side
   11,587.39x = 120,377,534.86
5. Step 5: Solve for x
   x = 120,377,534.86/11,587.39
6. Step 6: Final answer
   x = 10,388.67