Finding the Fourth Proportional to 12,570.58, 18,841.29 and 5,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.58 : 18,841.29 = 5,630.50 : x
2. Step 2: Convert to fraction form
   12,570.58/18,841.29 = 5,630.50/x
3. Step 3: Cross multiply
   12,570.58x = 18,841.29 × 5,630.50
4. Step 4: Simplify right side
   12,570.58x = 106,085,883.35
5. Step 5: Solve for x
   x = 106,085,883.35/12,570.58
6. Step 6: Final answer
   x = 8,439.22