Finding the Fourth Proportional to 12,950.24, 19,429.43 and 4,630.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,950.24 : 19,429.43 = 4,630.05 : x
2. Step 2: Convert to fraction form
   12,950.24/19,429.43 = 4,630.05/x
3. Step 3: Cross multiply
   12,950.24x = 19,429.43 × 4,630.05
4. Step 4: Simplify right side
   12,950.24x = 89,959,209.22
5. Step 5: Solve for x
   x = 89,959,209.22/12,950.24
6. Step 6: Final answer
   x = 6,946.53