Finding the Fourth Proportional to 2,612.02, 3,604.42 and 1,432.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.02 : 3,604.42 = 1,432.84 : x
2. Step 2: Convert to fraction form
   2,612.02/3,604.42 = 1,432.84/x
3. Step 3: Cross multiply
   2,612.02x = 3,604.42 × 1,432.84
4. Step 4: Simplify right side
   2,612.02x = 5,164,557.15
5. Step 5: Solve for x
   x = 5,164,557.15/2,612.02
6. Step 6: Final answer
   x = 1,977.23