Finding the Fourth Proportional to 12,951.83, 19,425.65 and 4,630.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951.83 : 19,425.65 = 4,630.43 : x
2. Step 2: Convert to fraction form
   12,951.83/19,425.65 = 4,630.43/x
3. Step 3: Cross multiply
   12,951.83x = 19,425.65 × 4,630.43
4. Step 4: Simplify right side
   12,951.83x = 89,948,992.25
5. Step 5: Solve for x
   x = 89,948,992.25/12,951.83
6. Step 6: Final answer
   x = 6,944.89