Finding the Fourth Proportional to 106,436.88, 159,686.16 and 31,558.46

Step by Step Solution

1. Step 1: Write the proportion equation
   106,436.88 : 159,686.16 = 31,558.46 : x
2. Step 2: Convert to fraction form
   106,436.88/159,686.16 = 31,558.46/x
3. Step 3: Cross multiply
   106,436.88x = 159,686.16 × 31,558.46
4. Step 4: Simplify right side
   106,436.88x = 5,039,448,494.48
5. Step 5: Solve for x
   x = 5,039,448,494.48/106,436.88
6. Step 6: Final answer
   x = 47,346.83