Finding the Fourth Proportional to 23,078.05, 34,606.26 and 13,719.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.05 : 34,606.26 = 13,719.31 : x
2. Step 2: Convert to fraction form
   23,078.05/34,606.26 = 13,719.31/x
3. Step 3: Cross multiply
   23,078.05x = 34,606.26 × 13,719.31
4. Step 4: Simplify right side
   23,078.05x = 474,774,008.88
5. Step 5: Solve for x
   x = 474,774,008.88/23,078.05
6. Step 6: Final answer
   x = 20,572.54