Finding the Fourth Proportional to 23,721.75, 32,733.18 and 13,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,721.75 : 32,733.18 = 13,109.94 : x
2. Step 2: Convert to fraction form
   23,721.75/32,733.18 = 13,109.94/x
3. Step 3: Cross multiply
   23,721.75x = 32,733.18 × 13,109.94
4. Step 4: Simplify right side
   23,721.75x = 429,130,025.81
5. Step 5: Solve for x
   x = 429,130,025.81/23,721.75
6. Step 6: Final answer
   x = 18,090.15