Finding the Fourth Proportional to 1,050.59, 1,575.89 and 472.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.59 : 1,575.89 = 472.79 : x
2. Step 2: Convert to fraction form
   1,050.59/1,575.89 = 472.79/x
3. Step 3: Cross multiply
   1,050.59x = 1,575.89 × 472.79
4. Step 4: Simplify right side
   1,050.59x = 745,070.15
5. Step 5: Solve for x
   x = 745,070.15/1,050.59
6. Step 6: Final answer
   x = 709.19