Finding the Fourth Proportional to 14,870.21, 22,308.71 and 8,635.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,870.21 : 22,308.71 = 8,635.43 : x
2. Step 2: Convert to fraction form
   14,870.21/22,308.71 = 8,635.43/x
3. Step 3: Cross multiply
   14,870.21x = 22,308.71 × 8,635.43
4. Step 4: Simplify right side
   14,870.21x = 192,645,148.87
5. Step 5: Solve for x
   x = 192,645,148.87/14,870.21
6. Step 6: Final answer
   x = 12,955.11