Finding the Fourth Proportional to 22,587.98, 31,171.67 and 12,516.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,587.98 : 31,171.67 = 12,516.54 : x
2. Step 2: Convert to fraction form
   22,587.98/31,171.67 = 12,516.54/x
3. Step 3: Cross multiply
   22,587.98x = 31,171.67 × 12,516.54
4. Step 4: Simplify right side
   22,587.98x = 390,161,321.88
5. Step 5: Solve for x
   x = 390,161,321.88/22,587.98
6. Step 6: Final answer
   x = 17,272.97