Finding the Fourth Proportional to 23,851.86, 32,892.69 and 15,345.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,851.86 : 32,892.69 = 15,345.30 : x
2. Step 2: Convert to fraction form
   23,851.86/32,892.69 = 15,345.30/x
3. Step 3: Cross multiply
   23,851.86x = 32,892.69 × 15,345.30
4. Step 4: Simplify right side
   23,851.86x = 504,748,195.86
5. Step 5: Solve for x
   x = 504,748,195.86/23,851.86
6. Step 6: Final answer
   x = 21,161.80