Finding the Fourth Proportional to 106,105.86, 159,168.78 and 31,226.04

Step by Step Solution

1. Step 1: Write the proportion equation
   106,105.86 : 159,168.78 = 31,226.04 : x
2. Step 2: Convert to fraction form
   106,105.86/159,168.78 = 31,226.04/x
3. Step 3: Cross multiply
   106,105.86x = 159,168.78 × 31,226.04
4. Step 4: Simplify right side
   106,105.86x = 4,970,210,691.03
5. Step 5: Solve for x
   x = 4,970,210,691.03/106,105.86
6. Step 6: Final answer
   x = 46,842.00