Finding the Fourth Proportional to 72,798.09, 109,119.37 and 51,958.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,798.09 : 109,119.37 = 51,958.41 : x
2. Step 2: Convert to fraction form
   72,798.09/109,119.37 = 51,958.41/x
3. Step 3: Cross multiply
   72,798.09x = 109,119.37 × 51,958.41
4. Step 4: Simplify right side
   72,798.09x = 5,669,668,965.40
5. Step 5: Solve for x
   x = 5,669,668,965.40/72,798.09
6. Step 6: Final answer
   x = 77,882.11