Finding the Fourth Proportional to 23,779.37, 32,812.88 and 13,166.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,779.37 : 32,812.88 = 13,166.34 : x
2. Step 2: Convert to fraction form
   23,779.37/32,812.88 = 13,166.34/x
3. Step 3: Cross multiply
   23,779.37x = 32,812.88 × 13,166.34
4. Step 4: Simplify right side
   23,779.37x = 432,025,468.63
5. Step 5: Solve for x
   x = 432,025,468.63/23,779.37
6. Step 6: Final answer
   x = 18,168.08