Finding the Fourth Proportional to 23,131.15, 34,718.49 and 21,867.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,131.15 : 34,718.49 = 21,867.14 : x
2. Step 2: Convert to fraction form
   23,131.15/34,718.49 = 21,867.14/x
3. Step 3: Cross multiply
   23,131.15x = 34,718.49 × 21,867.14
4. Step 4: Simplify right side
   23,131.15x = 759,194,081.42
5. Step 5: Solve for x
   x = 759,194,081.42/23,131.15
6. Step 6: Final answer
   x = 32,821.29