Finding the Fourth Proportional to 105,498.32, 158,247.51 and 31,626.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,498.32 : 158,247.51 = 31,626.32 : x
2. Step 2: Convert to fraction form
   105,498.32/158,247.51 = 31,626.32/x
3. Step 3: Cross multiply
   105,498.32x = 158,247.51 × 31,626.32
4. Step 4: Simplify right side
   105,498.32x = 5,004,786,390.46
5. Step 5: Solve for x
   x = 5,004,786,390.46/105,498.32
6. Step 6: Final answer
   x = 47,439.49