Finding the Fourth Proportional to 10,691.57, 16,032.77 and 3,672.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,691.57 : 16,032.77 = 3,672.29 : x
2. Step 2: Convert to fraction form
   10,691.57/16,032.77 = 3,672.29/x
3. Step 3: Cross multiply
   10,691.57x = 16,032.77 × 3,672.29
4. Step 4: Simplify right side
   10,691.57x = 58,876,980.94
5. Step 5: Solve for x
   x = 58,876,980.94/10,691.57
6. Step 6: Final answer
   x = 5,506.86