Finding the Fourth Proportional to 2,156.32, 2,976.08 and 1,762.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.32 : 2,976.08 = 1,762.56 : x
2. Step 2: Convert to fraction form
   2,156.32/2,976.08 = 1,762.56/x
3. Step 3: Cross multiply
   2,156.32x = 2,976.08 × 1,762.56
4. Step 4: Simplify right side
   2,156.32x = 5,245,519.56
5. Step 5: Solve for x
   x = 5,245,519.56/2,156.32
6. Step 6: Final answer
   x = 2,432.63