Finding the Fourth Proportional to 12,626.64, 18,947.31 and 4,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.64 : 18,947.31 = 4,734.72 : x
2. Step 2: Convert to fraction form
   12,626.64/18,947.31 = 4,734.72/x
3. Step 3: Cross multiply
   12,626.64x = 18,947.31 × 4,734.72
4. Step 4: Simplify right side
   12,626.64x = 89,710,207.60
5. Step 5: Solve for x
   x = 89,710,207.60/12,626.64
6. Step 6: Final answer
   x = 7,104.84