Finding the Fourth Proportional to 72,914.28, 109,111.52 and 50,429.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,914.28 : 109,111.52 = 50,429.48 : x
2. Step 2: Convert to fraction form
   72,914.28/109,111.52 = 50,429.48/x
3. Step 3: Cross multiply
   72,914.28x = 109,111.52 × 50,429.48
4. Step 4: Simplify right side
   72,914.28x = 5,502,437,215.61
5. Step 5: Solve for x
   x = 5,502,437,215.61/72,914.28
6. Step 6: Final answer
   x = 75,464.47