Finding the Fourth Proportional to 23,905.89, 32,985.83 and 13,557.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,905.89 : 32,985.83 = 13,557.67 : x
2. Step 2: Convert to fraction form
   23,905.89/32,985.83 = 13,557.67/x
3. Step 3: Cross multiply
   23,905.89x = 32,985.83 × 13,557.67
4. Step 4: Simplify right side
   23,905.89x = 447,210,949.25
5. Step 5: Solve for x
   x = 447,210,949.25/23,905.89
6. Step 6: Final answer
   x = 18,707.14