Finding the Fourth Proportional to 106,019.31, 159,004.35 and 31,119.34

Step by Step Solution

1. Step 1: Write the proportion equation
   106,019.31 : 159,004.35 = 31,119.34 : x
2. Step 2: Convert to fraction form
   106,019.31/159,004.35 = 31,119.34/x
3. Step 3: Cross multiply
   106,019.31x = 159,004.35 × 31,119.34
4. Step 4: Simplify right side
   106,019.31x = 4,948,110,429.13
5. Step 5: Solve for x
   x = 4,948,110,429.13/106,019.31
6. Step 6: Final answer
   x = 46,671.78