Finding the Fourth Proportional to 8,089.91, 12,123.18 and 4,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,089.91 : 12,123.18 = 4,572.50 : x
2. Step 2: Convert to fraction form
   8,089.91/12,123.18 = 4,572.50/x
3. Step 3: Cross multiply
   8,089.91x = 12,123.18 × 4,572.50
4. Step 4: Simplify right side
   8,089.91x = 55,433,240.55
5. Step 5: Solve for x
   x = 55,433,240.55/8,089.91
6. Step 6: Final answer
   x = 6,852.15