Finding the Fourth Proportional to 77,123.82, 115,477.04 and 50,403.24

Step by Step Solution

1. Step 1: Write the proportion equation
   77,123.82 : 115,477.04 = 50,403.24 : x
2. Step 2: Convert to fraction form
   77,123.82/115,477.04 = 50,403.24/x
3. Step 3: Cross multiply
   77,123.82x = 115,477.04 × 50,403.24
4. Step 4: Simplify right side
   77,123.82x = 5,820,416,709.59
5. Step 5: Solve for x
   x = 5,820,416,709.59/77,123.82
6. Step 6: Final answer
   x = 75,468.47