Finding the Fourth Proportional to 1,019.37, 1,526.76 and 470.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.37 : 1,526.76 = 470.73 : x
2. Step 2: Convert to fraction form
   1,019.37/1,526.76 = 470.73/x
3. Step 3: Cross multiply
   1,019.37x = 1,526.76 × 470.73
4. Step 4: Simplify right side
   1,019.37x = 718,691.73
5. Step 5: Solve for x
   x = 718,691.73/1,019.37
6. Step 6: Final answer
   x = 705.04