Finding the Fourth Proportional to 2,381.88, 3,574.50 and 1,065.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.88 : 3,574.50 = 1,065.96 : x
2. Step 2: Convert to fraction form
   2,381.88/3,574.50 = 1,065.96/x
3. Step 3: Cross multiply
   2,381.88x = 3,574.50 × 1,065.96
4. Step 4: Simplify right side
   2,381.88x = 3,810,274.02
5. Step 5: Solve for x
   x = 3,810,274.02/2,381.88
6. Step 6: Final answer
   x = 1,599.69