Finding the Fourth Proportional to 10,080.72, 15,115.01 and 3,505.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.72 : 15,115.01 = 3,505.14 : x
2. Step 2: Convert to fraction form
   10,080.72/15,115.01 = 3,505.14/x
3. Step 3: Cross multiply
   10,080.72x = 15,115.01 × 3,505.14
4. Step 4: Simplify right side
   10,080.72x = 52,980,208.63
5. Step 5: Solve for x
   x = 52,980,208.63/10,080.72
6. Step 6: Final answer
   x = 5,255.60