Finding the Fourth Proportional to 1,379.49, 1,903.99 and 848.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.49 : 1,903.99 = 848.82 : x
2. Step 2: Convert to fraction form
   1,379.49/1,903.99 = 848.82/x
3. Step 3: Cross multiply
   1,379.49x = 1,903.99 × 848.82
4. Step 4: Simplify right side
   1,379.49x = 1,616,154.58
5. Step 5: Solve for x
   x = 1,616,154.58/1,379.49
6. Step 6: Final answer
   x = 1,171.56