Finding the Fourth Proportional to 1,109.60, 1,659.33 and 832.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.60 : 1,659.33 = 832.17 : x
2. Step 2: Convert to fraction form
   1,109.60/1,659.33 = 832.17/x
3. Step 3: Cross multiply
   1,109.60x = 1,659.33 × 832.17
4. Step 4: Simplify right side
   1,109.60x = 1,380,844.65
5. Step 5: Solve for x
   x = 1,380,844.65/1,109.60
6. Step 6: Final answer
   x = 1,244.45