Finding the Fourth Proportional to 10,691.26, 16,032.30 and 3,671.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,691.26 : 16,032.30 = 3,671.98 : x
2. Step 2: Convert to fraction form
   10,691.26/16,032.30 = 3,671.98/x
3. Step 3: Cross multiply
   10,691.26x = 16,032.30 × 3,671.98
4. Step 4: Simplify right side
   10,691.26x = 58,870,281.82
5. Step 5: Solve for x
   x = 58,870,281.82/10,691.26
6. Step 6: Final answer
   x = 5,506.39