Finding the Fourth Proportional to 23,123.63, 31,908.79 and 13,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.63 : 31,908.79 = 13,054.52 : x
2. Step 2: Convert to fraction form
   23,123.63/31,908.79 = 13,054.52/x
3. Step 3: Cross multiply
   23,123.63x = 31,908.79 × 13,054.52
4. Step 4: Simplify right side
   23,123.63x = 416,553,937.23
5. Step 5: Solve for x
   x = 416,553,937.23/23,123.63
6. Step 6: Final answer
   x = 18,014.21