Finding the Fourth Proportional to 1,447.17, 1,997.42 and 849.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.17 : 1,997.42 = 849.93 : x
2. Step 2: Convert to fraction form
   1,447.17/1,997.42 = 849.93/x
3. Step 3: Cross multiply
   1,447.17x = 1,997.42 × 849.93
4. Step 4: Simplify right side
   1,447.17x = 1,697,662.93
5. Step 5: Solve for x
   x = 1,697,662.93/1,447.17
6. Step 6: Final answer
   x = 1,173.09