Finding the Fourth Proportional to 15,766.61, 21,766.82 and 10,468.67

Step by Step Solution

1. Step 1: Write the proportion equation
   15,766.61 : 21,766.82 = 10,468.67 : x
2. Step 2: Convert to fraction form
   15,766.61/21,766.82 = 10,468.67/x
3. Step 3: Cross multiply
   15,766.61x = 21,766.82 × 10,468.67
4. Step 4: Simplify right side
   15,766.61x = 227,869,494.35
5. Step 5: Solve for x
   x = 227,869,494.35/15,766.61
6. Step 6: Final answer
   x = 14,452.67