Finding the Fourth Proportional to 106,788.76, 160,180.98 and 31,909.12

Step by Step Solution

1. Step 1: Write the proportion equation
   106,788.76 : 160,180.98 = 31,909.12 : x
2. Step 2: Convert to fraction form
   106,788.76/160,180.98 = 31,909.12/x
3. Step 3: Cross multiply
   106,788.76x = 160,180.98 × 31,909.12
4. Step 4: Simplify right side
   106,788.76x = 5,111,234,112.54
5. Step 5: Solve for x
   x = 5,111,234,112.54/106,788.76
6. Step 6: Final answer
   x = 47,863.03