Finding the Fourth Proportional to 106,568.64, 159,825.60 and 31,671.12

Step by Step Solution

1. Step 1: Write the proportion equation
   106,568.64 : 159,825.60 = 31,671.12 : x
2. Step 2: Convert to fraction form
   106,568.64/159,825.60 = 31,671.12/x
3. Step 3: Cross multiply
   106,568.64x = 159,825.60 × 31,671.12
4. Step 4: Simplify right side
   106,568.64x = 5,061,855,756.67
5. Step 5: Solve for x
   x = 5,061,855,756.67/106,568.64
6. Step 6: Final answer
   x = 47,498.55