Finding the Fourth Proportional to 3,483.60, 5,225.51 and 1,018.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.60 : 5,225.51 = 1,018.21 : x
2. Step 2: Convert to fraction form
   3,483.60/5,225.51 = 1,018.21/x
3. Step 3: Cross multiply
   3,483.60x = 5,225.51 × 1,018.21
4. Step 4: Simplify right side
   3,483.60x = 5,320,635.32
5. Step 5: Solve for x
   x = 5,320,635.32/3,483.60
6. Step 6: Final answer
   x = 1,527.34