Finding the Fourth Proportional to 109,536, 164,287.52 and 30,640

Step by Step Solution

1. Step 1: Write the proportion equation
   109,536 : 164,287.52 = 30,640 : x
2. Step 2: Convert to fraction form
   109,536/164,287.52 = 30,640/x
3. Step 3: Cross multiply
   109,536x = 164,287.52 × 30,640
4. Step 4: Simplify right side
   109,536x = 5,033,769,612.80
5. Step 5: Solve for x
   x = 5,033,769,612.80/109,536
6. Step 6: Final answer
   x = 45,955.39