Finding the Fourth Proportional to 35,080, 52,629.12 and 10,456

Step by Step Solution

1. Step 1: Write the proportion equation
   35,080 : 52,629.12 = 10,456 : x
2. Step 2: Convert to fraction form
   35,080/52,629.12 = 10,456/x
3. Step 3: Cross multiply
   35,080x = 52,629.12 × 10,456
4. Step 4: Simplify right side
   35,080x = 550,290,078.72
5. Step 5: Solve for x
   x = 550,290,078.72/35,080
6. Step 6: Final answer
   x = 15,686.72