Finding the Fourth Proportional to 22,473.72, 31,007.34 and 13,516.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,473.72 : 31,007.34 = 13,516.74 : x
2. Step 2: Convert to fraction form
   22,473.72/31,007.34 = 13,516.74/x
3. Step 3: Cross multiply
   22,473.72x = 31,007.34 × 13,516.74
4. Step 4: Simplify right side
   22,473.72x = 419,118,152.87
5. Step 5: Solve for x
   x = 419,118,152.87/22,473.72
6. Step 6: Final answer
   x = 18,649.26