Finding the Fourth Proportional to 23,054.34, 31,815.29 and 13,500.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,054.34 : 31,815.29 = 13,500.18 : x
2. Step 2: Convert to fraction form
   23,054.34/31,815.29 = 13,500.18/x
3. Step 3: Cross multiply
   23,054.34x = 31,815.29 × 13,500.18
4. Step 4: Simplify right side
   23,054.34x = 429,512,141.75
5. Step 5: Solve for x
   x = 429,512,141.75/23,054.34
6. Step 6: Final answer
   x = 18,630.42