Finding the Fourth Proportional to 35,081.69, 52,616.16 and 10,115.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,081.69 : 52,616.16 = 10,115.60 : x
2. Step 2: Convert to fraction form
   35,081.69/52,616.16 = 10,115.60/x
3. Step 3: Cross multiply
   35,081.69x = 52,616.16 × 10,115.60
4. Step 4: Simplify right side
   35,081.69x = 532,243,765.02
5. Step 5: Solve for x
   x = 532,243,765.02/35,081.69
6. Step 6: Final answer
   x = 15,171.56