Finding the Fourth Proportional to 106,361.80, 159,542.72 and 31,482.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,361.80 : 159,542.72 = 31,482.72 : x
2. Step 2: Convert to fraction form
   106,361.80/159,542.72 = 31,482.72/x
3. Step 3: Cross multiply
   106,361.80x = 159,542.72 × 31,482.72
4. Step 4: Simplify right side
   106,361.80x = 5,022,838,781.80
5. Step 5: Solve for x
   x = 5,022,838,781.80/106,361.80
6. Step 6: Final answer
   x = 47,224.09