Finding the Fourth Proportional to 2,186.32, 3,279.89 and 705.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.32 : 3,279.89 = 705.93 : x
2. Step 2: Convert to fraction form
   2,186.32/3,279.89 = 705.93/x
3. Step 3: Cross multiply
   2,186.32x = 3,279.89 × 705.93
4. Step 4: Simplify right side
   2,186.32x = 2,315,387.58
5. Step 5: Solve for x
   x = 2,315,387.58/2,186.32
6. Step 6: Final answer
   x = 1,059.04