Finding the Fourth Proportional to 23,788.80, 32,830.56 and 13,181.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,788.80 : 32,830.56 = 13,181.76 : x
2. Step 2: Convert to fraction form
   23,788.80/32,830.56 = 13,181.76/x
3. Step 3: Cross multiply
   23,788.80x = 32,830.56 × 13,181.76
4. Step 4: Simplify right side
   23,788.80x = 432,764,562.59
5. Step 5: Solve for x
   x = 432,764,562.59/23,788.80
6. Step 6: Final answer
   x = 18,191.95