Finding the Fourth Proportional to 3,487.39, 5,231.59 and 1,146.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,487.39 : 5,231.59 = 1,146.58 : x
2. Step 2: Convert to fraction form
   3,487.39/5,231.59 = 1,146.58/x
3. Step 3: Cross multiply
   3,487.39x = 5,231.59 × 1,146.58
4. Step 4: Simplify right side
   3,487.39x = 5,998,420.52
5. Step 5: Solve for x
   x = 5,998,420.52/3,487.39
6. Step 6: Final answer
   x = 1,720.03