Finding the Fourth Proportional to 1,059.57, 1,462.72 and 705.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.57 : 1,462.72 = 705.70 : x
2. Step 2: Convert to fraction form
   1,059.57/1,462.72 = 705.70/x
3. Step 3: Cross multiply
   1,059.57x = 1,462.72 × 705.70
4. Step 4: Simplify right side
   1,059.57x = 1,032,241.50
5. Step 5: Solve for x
   x = 1,032,241.50/1,059.57
6. Step 6: Final answer
   x = 974.21