Finding the Fourth Proportional to 12,958.41, 19,441.77 and 4,632.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958.41 : 19,441.77 = 4,632.78 : x
2. Step 2: Convert to fraction form
   12,958.41/19,441.77 = 4,632.78/x
3. Step 3: Cross multiply
   12,958.41x = 19,441.77 × 4,632.78
4. Step 4: Simplify right side
   12,958.41x = 90,069,443.22
5. Step 5: Solve for x
   x = 90,069,443.22/12,958.41
6. Step 6: Final answer
   x = 6,950.66