Finding the Fourth Proportional to 50,314.31, 75,480.59 and 20,716.00

Step by Step Solution

1. Step 1: Write the proportion equation
   50,314.31 : 75,480.59 = 20,716.00 : x
2. Step 2: Convert to fraction form
   50,314.31/75,480.59 = 20,716.00/x
3. Step 3: Cross multiply
   50,314.31x = 75,480.59 × 20,716.00
4. Step 4: Simplify right side
   50,314.31x = 1,563,656,073.58
5. Step 5: Solve for x
   x = 1,563,656,073.58/50,314.31
6. Step 6: Final answer
   x = 31,077.76