Finding the Fourth Proportional to 10,988.26, 16,484.51 and 3,590.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988.26 : 16,484.51 = 3,590.73 : x
2. Step 2: Convert to fraction form
   10,988.26/16,484.51 = 3,590.73/x
3. Step 3: Cross multiply
   10,988.26x = 16,484.51 × 3,590.73
4. Step 4: Simplify right side
   10,988.26x = 59,191,424.59
5. Step 5: Solve for x
   x = 59,191,424.59/10,988.26
6. Step 6: Final answer
   x = 5,386.79