Finding the Fourth Proportional to 31,103.96, 46,675.28 and 12,635.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103.96 : 46,675.28 = 12,635.96 : x
2. Step 2: Convert to fraction form
   31,103.96/46,675.28 = 12,635.96/x
3. Step 3: Cross multiply
   31,103.96x = 46,675.28 × 12,635.96
4. Step 4: Simplify right side
   31,103.96x = 589,786,769.28
5. Step 5: Solve for x
   x = 589,786,769.28/31,103.96
6. Step 6: Final answer
   x = 18,961.79