Finding the Fourth Proportional to 2,612.52, 3,605.34 and 1,433.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.52 : 3,605.34 = 1,433.58 : x
2. Step 2: Convert to fraction form
   2,612.52/3,605.34 = 1,433.58/x
3. Step 3: Cross multiply
   2,612.52x = 3,605.34 × 1,433.58
4. Step 4: Simplify right side
   2,612.52x = 5,168,543.32
5. Step 5: Solve for x
   x = 5,168,543.32/2,612.52
6. Step 6: Final answer
   x = 1,978.37