Finding the Fourth Proportional to 77,087.58, 115,548.42 and 50,423.52

Step by Step Solution

1. Step 1: Write the proportion equation
   77,087.58 : 115,548.42 = 50,423.52 : x
2. Step 2: Convert to fraction form
   77,087.58/115,548.42 = 50,423.52/x
3. Step 3: Cross multiply
   77,087.58x = 115,548.42 × 50,423.52
4. Step 4: Simplify right side
   77,087.58x = 5,826,358,066.84
5. Step 5: Solve for x
   x = 5,826,358,066.84/77,087.58
6. Step 6: Final answer
   x = 75,581.02