Finding the Fourth Proportional to 1,131.76, 1,698.05 and 473.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.76 : 1,698.05 = 473.71 : x
2. Step 2: Convert to fraction form
   1,131.76/1,698.05 = 473.71/x
3. Step 3: Cross multiply
   1,131.76x = 1,698.05 × 473.71
4. Step 4: Simplify right side
   1,131.76x = 804,383.27
5. Step 5: Solve for x
   x = 804,383.27/1,131.76
6. Step 6: Final answer
   x = 710.74