Finding the Fourth Proportional to 10,050.58, 13,840.56 and 9,408.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,050.58 : 13,840.56 = 9,408.77 : x
2. Step 2: Convert to fraction form
   10,050.58/13,840.56 = 9,408.77/x
3. Step 3: Cross multiply
   10,050.58x = 13,840.56 × 9,408.77
4. Step 4: Simplify right side
   10,050.58x = 130,222,645.71
5. Step 5: Solve for x
   x = 130,222,645.71/10,050.58
6. Step 6: Final answer
   x = 12,956.73