Finding the Fourth Proportional to 1,373.90, 1,895.94 and 849.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.90 : 1,895.94 = 849.92 : x
2. Step 2: Convert to fraction form
   1,373.90/1,895.94 = 849.92/x
3. Step 3: Cross multiply
   1,373.90x = 1,895.94 × 849.92
4. Step 4: Simplify right side
   1,373.90x = 1,611,397.32
5. Step 5: Solve for x
   x = 1,611,397.32/1,373.90
6. Step 6: Final answer
   x = 1,172.86