Finding the Fourth Proportional to 2,609.32, 3,912.34 and 1,455.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.32 : 3,912.34 = 1,455.88 : x
2. Step 2: Convert to fraction form
   2,609.32/3,912.34 = 1,455.88/x
3. Step 3: Cross multiply
   2,609.32x = 3,912.34 × 1,455.88
4. Step 4: Simplify right side
   2,609.32x = 5,695,897.56
5. Step 5: Solve for x
   x = 5,695,897.56/2,609.32
6. Step 6: Final answer
   x = 2,182.90