Finding the Fourth Proportional to 77,435.59, 106,821.72 and 50,593.81

Step by Step Solution

1. Step 1: Write the proportion equation
   77,435.59 : 106,821.72 = 50,593.81 : x
2. Step 2: Convert to fraction form
   77,435.59/106,821.72 = 50,593.81/x
3. Step 3: Cross multiply
   77,435.59x = 106,821.72 × 50,593.81
4. Step 4: Simplify right side
   77,435.59x = 5,404,517,805.55
5. Step 5: Solve for x
   x = 5,404,517,805.55/77,435.59
6. Step 6: Final answer
   x = 69,793.72