Finding the Fourth Proportional to 102,700.80, 154,100.52 and 50,081.58

Step by Step Solution

1. Step 1: Write the proportion equation
   102,700.80 : 154,100.52 = 50,081.58 : x
2. Step 2: Convert to fraction form
   102,700.80/154,100.52 = 50,081.58/x
3. Step 3: Cross multiply
   102,700.80x = 154,100.52 × 50,081.58
4. Step 4: Simplify right side
   102,700.80x = 7,717,597,520.42
5. Step 5: Solve for x
   x = 7,717,597,520.42/102,700.80
6. Step 6: Final answer
   x = 75,146.42