Finding the Fourth Proportional to 2,432.72, 3,357.17 and 1,384.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,432.72 : 3,357.17 = 1,384.79 : x
2. Step 2: Convert to fraction form
   2,432.72/3,357.17 = 1,384.79/x
3. Step 3: Cross multiply
   2,432.72x = 3,357.17 × 1,384.79
4. Step 4: Simplify right side
   2,432.72x = 4,648,962.12
5. Step 5: Solve for x
   x = 4,648,962.12/2,432.72
6. Step 6: Final answer
   x = 1,911.01