Finding the Fourth Proportional to 23,902.18, 32,979.57 and 13,830.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,902.18 : 32,979.57 = 13,830.37 : x
2. Step 2: Convert to fraction form
   23,902.18/32,979.57 = 13,830.37/x
3. Step 3: Cross multiply
   23,902.18x = 32,979.57 × 13,830.37
4. Step 4: Simplify right side
   23,902.18x = 456,119,655.54
5. Step 5: Solve for x
   x = 456,119,655.54/23,902.18
6. Step 6: Final answer
   x = 19,082.76