Finding the Fourth Proportional to 14,631.30, 21,958.38 and 5,871.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,631.30 : 21,958.38 = 5,871.96 : x
2. Step 2: Convert to fraction form
   14,631.30/21,958.38 = 5,871.96/x
3. Step 3: Cross multiply
   14,631.30x = 21,958.38 × 5,871.96
4. Step 4: Simplify right side
   14,631.30x = 128,938,729.02
5. Step 5: Solve for x
   x = 128,938,729.02/14,631.30
6. Step 6: Final answer
   x = 8,812.53