Finding the Fourth Proportional to 12,952.02, 19,423.27 and 4,629.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,952.02 : 19,423.27 = 4,629.78 : x
2. Step 2: Convert to fraction form
   12,952.02/19,423.27 = 4,629.78/x
3. Step 3: Cross multiply
   12,952.02x = 19,423.27 × 4,629.78
4. Step 4: Simplify right side
   12,952.02x = 89,925,466.98
5. Step 5: Solve for x
   x = 89,925,466.98/12,952.02
6. Step 6: Final answer
   x = 6,942.97