Finding the Fourth Proportional to 251,766.99, 377,650.60 and 83,287.31

Step by Step Solution

1. Step 1: Write the proportion equation
   251,766.99 : 377,650.60 = 83,287.31 : x
2. Step 2: Convert to fraction form
   251,766.99/377,650.60 = 83,287.31/x
3. Step 3: Cross multiply
   251,766.99x = 377,650.60 × 83,287.31
4. Step 4: Simplify right side
   251,766.99x = 31,453,502,593.89
5. Step 5: Solve for x
   x = 31,453,502,593.89/251,766.99
6. Step 6: Final answer
   x = 124,931.00