Finding the Fourth Proportional to 1,370.72, 2,054.16 and 848.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370.72 : 2,054.16 = 848.96 : x
2. Step 2: Convert to fraction form
   1,370.72/2,054.16 = 848.96/x
3. Step 3: Cross multiply
   1,370.72x = 2,054.16 × 848.96
4. Step 4: Simplify right side
   1,370.72x = 1,743,899.67
5. Step 5: Solve for x
   x = 1,743,899.67/1,370.72
6. Step 6: Final answer
   x = 1,272.25