Finding the Fourth Proportional to 29,380.54, 44,086.98 and 12,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   29,380.54 : 44,086.98 = 12,740.72 : x
2. Step 2: Convert to fraction form
   29,380.54/44,086.98 = 12,740.72/x
3. Step 3: Cross multiply
   29,380.54x = 44,086.98 × 12,740.72
4. Step 4: Simplify right side
   29,380.54x = 561,699,867.83
5. Step 5: Solve for x
   x = 561,699,867.83/29,380.54
6. Step 6: Final answer
   x = 19,118.09