Finding the Fourth Proportional to 34,723.80, 51,780.78 and 34,408.05

Step by Step Solution

1. Step 1: Write the proportion equation
   34,723.80 : 51,780.78 = 34,408.05 : x
2. Step 2: Convert to fraction form
   34,723.80/51,780.78 = 34,408.05/x
3. Step 3: Cross multiply
   34,723.80x = 51,780.78 × 34,408.05
4. Step 4: Simplify right side
   34,723.80x = 1,781,675,667.28
5. Step 5: Solve for x
   x = 1,781,675,667.28/34,723.80
6. Step 6: Final answer
   x = 51,309.93