Finding the Fourth Proportional to 1,374.70, 1,896.55 and 849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.70 : 1,896.55 = 849.82 : x
2. Step 2: Convert to fraction form
   1,374.70/1,896.55 = 849.82/x
3. Step 3: Cross multiply
   1,374.70x = 1,896.55 × 849.82
4. Step 4: Simplify right side
   1,374.70x = 1,611,726.12
5. Step 5: Solve for x
   x = 1,611,726.12/1,374.70
6. Step 6: Final answer
   x = 1,172.42