Finding the Fourth Proportional to 10,109.58, 15,164.42 and 3,531.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.58 : 15,164.42 = 3,531.15 : x
2. Step 2: Convert to fraction form
   10,109.58/15,164.42 = 3,531.15/x
3. Step 3: Cross multiply
   10,109.58x = 15,164.42 × 3,531.15
4. Step 4: Simplify right side
   10,109.58x = 53,547,841.68
5. Step 5: Solve for x
   x = 53,547,841.68/10,109.58
6. Step 6: Final answer
   x = 5,296.74