Finding the Fourth Proportional to 23,421.76, 32,315.52 and 13,986.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,421.76 : 32,315.52 = 13,986.88 : x
2. Step 2: Convert to fraction form
   23,421.76/32,315.52 = 13,986.88/x
3. Step 3: Cross multiply
   23,421.76x = 32,315.52 × 13,986.88
4. Step 4: Simplify right side
   23,421.76x = 451,993,300.38
5. Step 5: Solve for x
   x = 451,993,300.38/23,421.76
6. Step 6: Final answer
   x = 19,298.01