Finding the Fourth Proportional to 309,068.43, 463,532.47 and 109,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   309,068.43 : 463,532.47 = 109,388.72 : x
2. Step 2: Convert to fraction form
   309,068.43/463,532.47 = 109,388.72/x
3. Step 3: Cross multiply
   309,068.43x = 463,532.47 × 109,388.72
4. Step 4: Simplify right side
   309,068.43x = 50,705,223,571.74
5. Step 5: Solve for x
   x = 50,705,223,571.74/309,068.43
6. Step 6: Final answer
   x = 164,058.25