Finding the Fourth Proportional to 23,636.34, 32,617.88 and 13,427.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,636.34 : 32,617.88 = 13,427.30 : x
2. Step 2: Convert to fraction form
   23,636.34/32,617.88 = 13,427.30/x
3. Step 3: Cross multiply
   23,636.34x = 32,617.88 × 13,427.30
4. Step 4: Simplify right side
   23,636.34x = 437,970,060.12
5. Step 5: Solve for x
   x = 437,970,060.12/23,636.34
6. Step 6: Final answer
   x = 18,529.52