Finding the Fourth Proportional to 2,157.32, 2,976.59 and 1,566.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.32 : 2,976.59 = 1,566.83 : x
2. Step 2: Convert to fraction form
   2,157.32/2,976.59 = 1,566.83/x
3. Step 3: Cross multiply
   2,157.32x = 2,976.59 × 1,566.83
4. Step 4: Simplify right side
   2,157.32x = 4,663,787.79
5. Step 5: Solve for x
   x = 4,663,787.79/2,157.32
6. Step 6: Final answer
   x = 2,161.85