Finding the Fourth Proportional to 2,479.74, 3,719.94 and 1,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.74 : 3,719.94 = 1,018.50 : x
2. Step 2: Convert to fraction form
   2,479.74/3,719.94 = 1,018.50/x
3. Step 3: Cross multiply
   2,479.74x = 3,719.94 × 1,018.50
4. Step 4: Simplify right side
   2,479.74x = 3,788,758.89
5. Step 5: Solve for x
   x = 3,788,758.89/2,479.74
6. Step 6: Final answer
   x = 1,527.89