Finding the Fourth Proportional to 1,130.83, 1,695.89 and 472.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,130.83 : 1,695.89 = 472.71 : x
2. Step 2: Convert to fraction form
   1,130.83/1,695.89 = 472.71/x
3. Step 3: Cross multiply
   1,130.83x = 1,695.89 × 472.71
4. Step 4: Simplify right side
   1,130.83x = 801,659.33
5. Step 5: Solve for x
   x = 801,659.33/1,130.83
6. Step 6: Final answer
   x = 708.91