Finding the Fourth Proportional to 8,889.42, 12,267.23 and 4,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,889.42 : 12,267.23 = 4,910.50 : x
2. Step 2: Convert to fraction form
   8,889.42/12,267.23 = 4,910.50/x
3. Step 3: Cross multiply
   8,889.42x = 12,267.23 × 4,910.50
4. Step 4: Simplify right side
   8,889.42x = 60,238,251.32
5. Step 5: Solve for x
   x = 60,238,251.32/8,889.42
6. Step 6: Final answer
   x = 6,776.40