Finding the Fourth Proportional to 2,178.59, 3,003.53 and 1,432.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.59 : 3,003.53 = 1,432.27 : x
2. Step 2: Convert to fraction form
   2,178.59/3,003.53 = 1,432.27/x
3. Step 3: Cross multiply
   2,178.59x = 3,003.53 × 1,432.27
4. Step 4: Simplify right side
   2,178.59x = 4,301,851.24
5. Step 5: Solve for x
   x = 4,301,851.24/2,178.59
6. Step 6: Final answer
   x = 1,974.60