Finding the Fourth Proportional to 22,937.94, 31,656.69 and 13,509.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,937.94 : 31,656.69 = 13,509.54 : x
2. Step 2: Convert to fraction form
   22,937.94/31,656.69 = 13,509.54/x
3. Step 3: Cross multiply
   22,937.94x = 31,656.69 × 13,509.54
4. Step 4: Simplify right side
   22,937.94x = 427,667,319.82
5. Step 5: Solve for x
   x = 427,667,319.82/22,937.94
6. Step 6: Final answer
   x = 18,644.54