Finding the Fourth Proportional to 23,113.43, 31,886.41 and 13,548.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,113.43 : 31,886.41 = 13,548.47 : x
2. Step 2: Convert to fraction form
   23,113.43/31,886.41 = 13,548.47/x
3. Step 3: Cross multiply
   23,113.43x = 31,886.41 × 13,548.47
4. Step 4: Simplify right side
   23,113.43x = 432,012,069.29
5. Step 5: Solve for x
   x = 432,012,069.29/23,113.43
6. Step 6: Final answer
   x = 18,690.95