Finding the Fourth Proportional to 10,764.55, 14,855.16 and 5,919.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,764.55 : 14,855.16 = 5,919.36 : x
2. Step 2: Convert to fraction form
   10,764.55/14,855.16 = 5,919.36/x
3. Step 3: Cross multiply
   10,764.55x = 14,855.16 × 5,919.36
4. Step 4: Simplify right side
   10,764.55x = 87,933,095.60
5. Step 5: Solve for x
   x = 87,933,095.60/10,764.55
6. Step 6: Final answer
   x = 8,168.77