Finding the Fourth Proportional to 3,353.60, 5,029.04 and 1,012.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,353.60 : 5,029.04 = 1,012.88 : x
2. Step 2: Convert to fraction form
   3,353.60/5,029.04 = 1,012.88/x
3. Step 3: Cross multiply
   3,353.60x = 5,029.04 × 1,012.88
4. Step 4: Simplify right side
   3,353.60x = 5,093,783.83
5. Step 5: Solve for x
   x = 5,093,783.83/3,353.60
6. Step 6: Final answer
   x = 1,518.90