Finding the Fourth Proportional to 1,443.96, 2,166.05 and 470.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.96 : 2,166.05 = 470.76 : x
2. Step 2: Convert to fraction form
   1,443.96/2,166.05 = 470.76/x
3. Step 3: Cross multiply
   1,443.96x = 2,166.05 × 470.76
4. Step 4: Simplify right side
   1,443.96x = 1,019,687.34
5. Step 5: Solve for x
   x = 1,019,687.34/1,443.96
6. Step 6: Final answer
   x = 706.17