Finding the Fourth Proportional to 106,443.84, 159,689.20 and 31,569.84

Step by Step Solution

1. Step 1: Write the proportion equation
   106,443.84 : 159,689.20 = 31,569.84 : x
2. Step 2: Convert to fraction form
   106,443.84/159,689.20 = 31,569.84/x
3. Step 3: Cross multiply
   106,443.84x = 159,689.20 × 31,569.84
4. Step 4: Simplify right side
   106,443.84x = 5,041,362,493.73
5. Step 5: Solve for x
   x = 5,041,362,493.73/106,443.84
6. Step 6: Final answer
   x = 47,361.71