Finding the Fourth Proportional to 1,805.02, 2,490.82 and 1,176.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.02 : 2,490.82 = 1,176.73 : x
2. Step 2: Convert to fraction form
   1,805.02/2,490.82 = 1,176.73/x
3. Step 3: Cross multiply
   1,805.02x = 2,490.82 × 1,176.73
4. Step 4: Simplify right side
   1,805.02x = 2,931,013.45
5. Step 5: Solve for x
   x = 2,931,013.45/1,805.02
6. Step 6: Final answer
   x = 1,623.81