Finding the Fourth Proportional to 11,377.89, 17,074.11 and 5,531.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,377.89 : 17,074.11 = 5,531.31 : x
2. Step 2: Convert to fraction form
   11,377.89/17,074.11 = 5,531.31/x
3. Step 3: Cross multiply
   11,377.89x = 17,074.11 × 5,531.31
4. Step 4: Simplify right side
   11,377.89x = 94,442,195.38
5. Step 5: Solve for x
   x = 94,442,195.38/11,377.89
6. Step 6: Final answer
   x = 8,300.50