Finding the Fourth Proportional to 77,767.55, 107,291.15 and 50,925.37

Step by Step Solution

1. Step 1: Write the proportion equation
   77,767.55 : 107,291.15 = 50,925.37 : x
2. Step 2: Convert to fraction form
   77,767.55/107,291.15 = 50,925.37/x
3. Step 3: Cross multiply
   77,767.55x = 107,291.15 × 50,925.37
4. Step 4: Simplify right side
   77,767.55x = 5,463,840,975.02
5. Step 5: Solve for x
   x = 5,463,840,975.02/77,767.55
6. Step 6: Final answer
   x = 70,258.62