Finding the Fourth Proportional to 23,112.84, 31,885.59 and 13,547.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,112.84 : 31,885.59 = 13,547.88 : x
2. Step 2: Convert to fraction form
   23,112.84/31,885.59 = 13,547.88/x
3. Step 3: Cross multiply
   23,112.84x = 31,885.59 × 13,547.88
4. Step 4: Simplify right side
   23,112.84x = 431,981,976.67
5. Step 5: Solve for x
   x = 431,981,976.67/23,112.84
6. Step 6: Final answer
   x = 18,690.13