Finding the Fourth Proportional to 12,954.03, 19,426.28 and 4,631.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.03 : 19,426.28 = 4,631.79 : x
2. Step 2: Convert to fraction form
   12,954.03/19,426.28 = 4,631.79/x
3. Step 3: Cross multiply
   12,954.03x = 19,426.28 × 4,631.79
4. Step 4: Simplify right side
   12,954.03x = 89,978,426.28
5. Step 5: Solve for x
   x = 89,978,426.28/12,954.03
6. Step 6: Final answer
   x = 6,945.98