Finding the Fourth Proportional to 23,686.56, 32,686.34 and 13,607.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,686.56 : 32,686.34 = 13,607.92 : x
2. Step 2: Convert to fraction form
   23,686.56/32,686.34 = 13,607.92/x
3. Step 3: Cross multiply
   23,686.56x = 32,686.34 × 13,607.92
4. Step 4: Simplify right side
   23,686.56x = 444,793,099.81
5. Step 5: Solve for x
   x = 444,793,099.81/23,686.56
6. Step 6: Final answer
   x = 18,778.29