Finding the Fourth Proportional to 1,105.62, 1,524.50 and 706.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.62 : 1,524.50 = 706.76 : x
2. Step 2: Convert to fraction form
   1,105.62/1,524.50 = 706.76/x
3. Step 3: Cross multiply
   1,105.62x = 1,524.50 × 706.76
4. Step 4: Simplify right side
   1,105.62x = 1,077,455.62
5. Step 5: Solve for x
   x = 1,077,455.62/1,105.62
6. Step 6: Final answer
   x = 974.53