Finding the Fourth Proportional to 109,650.10, 164,513.55 and 105,810.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,650.10 : 164,513.55 = 105,810.10 : x
2. Step 2: Convert to fraction form
   109,650.10/164,513.55 = 105,810.10/x
3. Step 3: Cross multiply
   109,650.10x = 164,513.55 × 105,810.10
4. Step 4: Simplify right side
   109,650.10x = 17,407,195,176.86
5. Step 5: Solve for x
   x = 17,407,195,176.86/109,650.10
6. Step 6: Final answer
   x = 158,752.21