Finding the Fourth Proportional to 3,679.46, 5,518.59 and 1,010.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.46 : 5,518.59 = 1,010.42 : x
2. Step 2: Convert to fraction form
   3,679.46/5,518.59 = 1,010.42/x
3. Step 3: Cross multiply
   3,679.46x = 5,518.59 × 1,010.42
4. Step 4: Simplify right side
   3,679.46x = 5,576,088.66
5. Step 5: Solve for x
   x = 5,576,088.66/3,679.46
6. Step 6: Final answer
   x = 1,515.47