Finding the Fourth Proportional to 3,475.85, 5,214.59 and 1,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,475.85 : 5,214.59 = 1,010.72 : x
2. Step 2: Convert to fraction form
   3,475.85/5,214.59 = 1,010.72/x
3. Step 3: Cross multiply
   3,475.85x = 5,214.59 × 1,010.72
4. Step 4: Simplify right side
   3,475.85x = 5,270,459.28
5. Step 5: Solve for x
   x = 5,270,459.28/3,475.85
6. Step 6: Final answer
   x = 1,516.31