Finding the Fourth Proportional to 2,154.42, 3,232.65 and 1,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.42 : 3,232.65 = 1,059.72 : x
2. Step 2: Convert to fraction form
   2,154.42/3,232.65 = 1,059.72/x
3. Step 3: Cross multiply
   2,154.42x = 3,232.65 × 1,059.72
4. Step 4: Simplify right side
   2,154.42x = 3,425,703.86
5. Step 5: Solve for x
   x = 3,425,703.86/2,154.42
6. Step 6: Final answer
   x = 1,590.08