Finding the Fourth Proportional to 2,477.96, 3,715.56 and 1,018.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.96 : 3,715.56 = 1,018.12 : x
2. Step 2: Convert to fraction form
   2,477.96/3,715.56 = 1,018.12/x
3. Step 3: Cross multiply
   2,477.96x = 3,715.56 × 1,018.12
4. Step 4: Simplify right side
   2,477.96x = 3,782,885.95
5. Step 5: Solve for x
   x = 3,782,885.95/2,477.96
6. Step 6: Final answer
   x = 1,526.61