Finding the Fourth Proportional to 2,381.82, 3,288.28 and 1,584.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.82 : 3,288.28 = 1,584.93 : x
2. Step 2: Convert to fraction form
   2,381.82/3,288.28 = 1,584.93/x
3. Step 3: Cross multiply
   2,381.82x = 3,288.28 × 1,584.93
4. Step 4: Simplify right side
   2,381.82x = 5,211,693.62
5. Step 5: Solve for x
   x = 5,211,693.62/2,381.82
6. Step 6: Final answer
   x = 2,188.12