Finding the Fourth Proportional to 1,417.35, 1,955.27 and 849.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.35 : 1,955.27 = 849.90 : x
2. Step 2: Convert to fraction form
   1,417.35/1,955.27 = 849.90/x
3. Step 3: Cross multiply
   1,417.35x = 1,955.27 × 849.90
4. Step 4: Simplify right side
   1,417.35x = 1,661,779.72
5. Step 5: Solve for x
   x = 1,661,779.72/1,417.35
6. Step 6: Final answer
   x = 1,172.46