Finding the Fourth Proportional to 1,019.42, 1,529.39 and 472.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.42 : 1,529.39 = 472.00 : x
2. Step 2: Convert to fraction form
   1,019.42/1,529.39 = 472.00/x
3. Step 3: Cross multiply
   1,019.42x = 1,529.39 × 472.00
4. Step 4: Simplify right side
   1,019.42x = 721,862.07
5. Step 5: Solve for x
   x = 721,862.07/1,019.42
6. Step 6: Final answer
   x = 708.11