Finding the Fourth Proportional to 72,788.94, 100,386.27 and 50,164.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,788.94 : 100,386.27 = 50,164.56 : x
2. Step 2: Convert to fraction form
   72,788.94/100,386.27 = 50,164.56/x
3. Step 3: Cross multiply
   72,788.94x = 100,386.27 × 50,164.56
4. Step 4: Simplify right side
   72,788.94x = 5,035,833,064.59
5. Step 5: Solve for x
   x = 5,035,833,064.59/72,788.94
6. Step 6: Final answer
   x = 69,184.04