Finding the Fourth Proportional to 2,056.42, 3,079.76 and 1,589.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.42 : 3,079.76 = 1,589.86 : x
2. Step 2: Convert to fraction form
   2,056.42/3,079.76 = 1,589.86/x
3. Step 3: Cross multiply
   2,056.42x = 3,079.76 × 1,589.86
4. Step 4: Simplify right side
   2,056.42x = 4,896,387.23
5. Step 5: Solve for x
   x = 4,896,387.23/2,056.42
6. Step 6: Final answer
   x = 2,381.02