Finding the Fourth Proportional to 105,208.29, 157,839.57 and 30,334.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,208.29 : 157,839.57 = 30,334.32 : x
2. Step 2: Convert to fraction form
   105,208.29/157,839.57 = 30,334.32/x
3. Step 3: Cross multiply
   105,208.29x = 157,839.57 × 30,334.32
4. Step 4: Simplify right side
   105,208.29x = 4,787,956,025.04
5. Step 5: Solve for x
   x = 4,787,956,025.04/105,208.29
6. Step 6: Final answer
   x = 45,509.30