Finding the Fourth Proportional to 23,730, 32,744.56 and 13,118.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,730 : 32,744.56 = 13,118.20 : x
2. Step 2: Convert to fraction form
   23,730/32,744.56 = 13,118.20/x
3. Step 3: Cross multiply
   23,730x = 32,744.56 × 13,118.20
4. Step 4: Simplify right side
   23,730x = 429,549,686.99
5. Step 5: Solve for x
   x = 429,549,686.99/23,730
6. Step 6: Final answer
   x = 18,101.55