Finding the Fourth Proportional to 23,820.81, 32,872.14 and 13,065.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,820.81 : 32,872.14 = 13,065.83 : x
2. Step 2: Convert to fraction form
   23,820.81/32,872.14 = 13,065.83/x
3. Step 3: Cross multiply
   23,820.81x = 32,872.14 × 13,065.83
4. Step 4: Simplify right side
   23,820.81x = 429,501,628.62
5. Step 5: Solve for x
   x = 429,501,628.62/23,820.81
6. Step 6: Final answer
   x = 18,030.52