Finding the Fourth Proportional to 109,949.94, 165,152.08 and 105,158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   109,949.94 : 165,152.08 = 105,158.34 : x
2. Step 2: Convert to fraction form
   109,949.94/165,152.08 = 105,158.34/x
3. Step 3: Cross multiply
   109,949.94x = 165,152.08 × 105,158.34
4. Step 4: Simplify right side
   109,949.94x = 17,367,118,580.35
5. Step 5: Solve for x
   x = 17,367,118,580.35/109,949.94
6. Step 6: Final answer
   x = 157,954.78