Finding the Fourth Proportional to 1,227.42, 1,840.86 and 706.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.42 : 1,840.86 = 706.32 : x
2. Step 2: Convert to fraction form
   1,227.42/1,840.86 = 706.32/x
3. Step 3: Cross multiply
   1,227.42x = 1,840.86 × 706.32
4. Step 4: Simplify right side
   1,227.42x = 1,300,236.24
5. Step 5: Solve for x
   x = 1,300,236.24/1,227.42
6. Step 6: Final answer
   x = 1,059.32