Finding the Fourth Proportional to 77,176.17, 106,471.59 and 50,308.89

Step by Step Solution

1. Step 1: Write the proportion equation
   77,176.17 : 106,471.59 = 50,308.89 : x
2. Step 2: Convert to fraction form
   77,176.17/106,471.59 = 50,308.89/x
3. Step 3: Cross multiply
   77,176.17x = 106,471.59 × 50,308.89
4. Step 4: Simplify right side
   77,176.17x = 5,356,467,509.44
5. Step 5: Solve for x
   x = 5,356,467,509.44/77,176.17
6. Step 6: Final answer
   x = 69,405.72