Finding the Fourth Proportional to 23,783.08, 32,820.56 and 13,711.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,783.08 : 32,820.56 = 13,711.47 : x
2. Step 2: Convert to fraction form
   23,783.08/32,820.56 = 13,711.47/x
3. Step 3: Cross multiply
   23,783.08x = 32,820.56 × 13,711.47
4. Step 4: Simplify right side
   23,783.08x = 450,018,123.82
5. Step 5: Solve for x
   x = 450,018,123.82/23,783.08
6. Step 6: Final answer
   x = 18,921.78