Finding the Fourth Proportional to 2,065.98, 2,847.76 and 1,623.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.98 : 2,847.76 = 1,623.12 : x
2. Step 2: Convert to fraction form
   2,065.98/2,847.76 = 1,623.12/x
3. Step 3: Cross multiply
   2,065.98x = 2,847.76 × 1,623.12
4. Step 4: Simplify right side
   2,065.98x = 4,622,256.21
5. Step 5: Solve for x
   x = 4,622,256.21/2,065.98
6. Step 6: Final answer
   x = 2,237.32