Finding the Fourth Proportional to 7,811.94, 10,778.22 and 4,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,811.94 : 10,778.22 = 4,667.52 : x
2. Step 2: Convert to fraction form
   7,811.94/10,778.22 = 4,667.52/x
3. Step 3: Cross multiply
   7,811.94x = 10,778.22 × 4,667.52
4. Step 4: Simplify right side
   7,811.94x = 50,307,557.41
5. Step 5: Solve for x
   x = 50,307,557.41/7,811.94
6. Step 6: Final answer
   x = 6,439.83