Finding the Fourth Proportional to 102,650.70, 154,062.45 and 50,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   102,650.70 : 154,062.45 = 50,105.10 : x
2. Step 2: Convert to fraction form
   102,650.70/154,062.45 = 50,105.10/x
3. Step 3: Cross multiply
   102,650.70x = 154,062.45 × 50,105.10
4. Step 4: Simplify right side
   102,650.70x = 7,719,314,463.50
5. Step 5: Solve for x
   x = 7,719,314,463.50/102,650.70
6. Step 6: Final answer
   x = 75,199.82