Finding the Fourth Proportional to 77,105.16, 106,401.06 and 43,569

Step by Step Solution

1. Step 1: Write the proportion equation
   77,105.16 : 106,401.06 = 43,569 : x
2. Step 2: Convert to fraction form
   77,105.16/106,401.06 = 43,569/x
3. Step 3: Cross multiply
   77,105.16x = 106,401.06 × 43,569
4. Step 4: Simplify right side
   77,105.16x = 4,635,787,783.14
5. Step 5: Solve for x
   x = 4,635,787,783.14/77,105.16
6. Step 6: Final answer
   x = 60,122.93