Finding the Fourth Proportional to 106,055.99, 159,111.32 and 31,178.58

Step by Step Solution

1. Step 1: Write the proportion equation
   106,055.99 : 159,111.32 = 31,178.58 : x
2. Step 2: Convert to fraction form
   106,055.99/159,111.32 = 31,178.58/x
3. Step 3: Cross multiply
   106,055.99x = 159,111.32 × 31,178.58
4. Step 4: Simplify right side
   106,055.99x = 4,960,865,019.53
5. Step 5: Solve for x
   x = 4,960,865,019.53/106,055.99
6. Step 6: Final answer
   x = 46,775.91