Finding the Fourth Proportional to 3,460.59, 5,190.48 and 1,152.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.59 : 5,190.48 = 1,152.09 : x
2. Step 2: Convert to fraction form
   3,460.59/5,190.48 = 1,152.09/x
3. Step 3: Cross multiply
   3,460.59x = 5,190.48 × 1,152.09
4. Step 4: Simplify right side
   3,460.59x = 5,979,900.10
5. Step 5: Solve for x
   x = 5,979,900.10/3,460.59
6. Step 6: Final answer
   x = 1,728.00