Finding the Fourth Proportional to 108,490.72, 162,734.56 and 105,810.44

Step by Step Solution

1. Step 1: Write the proportion equation
   108,490.72 : 162,734.56 = 105,810.44 : x
2. Step 2: Convert to fraction form
   108,490.72/162,734.56 = 105,810.44/x
3. Step 3: Cross multiply
   108,490.72x = 162,734.56 × 105,810.44
4. Step 4: Simplify right side
   108,490.72x = 17,219,015,396.81
5. Step 5: Solve for x
   x = 17,219,015,396.81/108,490.72
6. Step 6: Final answer
   x = 158,714.18