Finding the Fourth Proportional to 3,134.69, 4,699.16 and 1,081.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,134.69 : 4,699.16 = 1,081.25 : x
2. Step 2: Convert to fraction form
   3,134.69/4,699.16 = 1,081.25/x
3. Step 3: Cross multiply
   3,134.69x = 4,699.16 × 1,081.25
4. Step 4: Simplify right side
   3,134.69x = 5,080,961.34
5. Step 5: Solve for x
   x = 5,080,961.34/3,134.69
6. Step 6: Final answer
   x = 1,620.88