Finding the Fourth Proportional to 77,404.62, 106,719.48 and 50,132.52

Step by Step Solution

1. Step 1: Write the proportion equation
   77,404.62 : 106,719.48 = 50,132.52 : x
2. Step 2: Convert to fraction form
   77,404.62/106,719.48 = 50,132.52/x
3. Step 3: Cross multiply
   77,404.62x = 106,719.48 × 50,132.52
4. Step 4: Simplify right side
   77,404.62x = 5,350,116,465.49
5. Step 5: Solve for x
   x = 5,350,116,465.49/77,404.62
6. Step 6: Final answer
   x = 69,118.83