Finding the Fourth Proportional to 2,065.52, 2,847.48 and 1,642.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.52 : 2,847.48 = 1,642.16 : x
2. Step 2: Convert to fraction form
   2,065.52/2,847.48 = 1,642.16/x
3. Step 3: Cross multiply
   2,065.52x = 2,847.48 × 1,642.16
4. Step 4: Simplify right side
   2,065.52x = 4,676,017.76
5. Step 5: Solve for x
   x = 4,676,017.76/2,065.52
6. Step 6: Final answer
   x = 2,263.85