Finding the Fourth Proportional to 77,682.64, 107,141.31 and 50,467.49

Step by Step Solution

1. Step 1: Write the proportion equation
   77,682.64 : 107,141.31 = 50,467.49 : x
2. Step 2: Convert to fraction form
   77,682.64/107,141.31 = 50,467.49/x
3. Step 3: Cross multiply
   77,682.64x = 107,141.31 × 50,467.49
4. Step 4: Simplify right side
   77,682.64x = 5,407,153,459.76
5. Step 5: Solve for x
   x = 5,407,153,459.76/77,682.64
6. Step 6: Final answer
   x = 69,605.69