Finding the Fourth Proportional to 1,887.91, 2,831.59 and 501.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.91 : 2,831.59 = 501.33 : x
2. Step 2: Convert to fraction form
   1,887.91/2,831.59 = 501.33/x
3. Step 3: Cross multiply
   1,887.91x = 2,831.59 × 501.33
4. Step 4: Simplify right side
   1,887.91x = 1,419,561.01
5. Step 5: Solve for x
   x = 1,419,561.01/1,887.91
6. Step 6: Final answer
   x = 751.92