Finding the Fourth Proportional to 1,623.42, 2,426.23 and 1,185.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623.42 : 2,426.23 = 1,185.59 : x
2. Step 2: Convert to fraction form
   1,623.42/2,426.23 = 1,185.59/x
3. Step 3: Cross multiply
   1,623.42x = 2,426.23 × 1,185.59
4. Step 4: Simplify right side
   1,623.42x = 2,876,502.03
5. Step 5: Solve for x
   x = 2,876,502.03/1,623.42
6. Step 6: Final answer
   x = 1,771.88