Finding the Fourth Proportional to 22,511.32, 31,061.82 and 13,556.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,511.32 : 31,061.82 = 13,556.68 : x
2. Step 2: Convert to fraction form
   22,511.32/31,061.82 = 13,556.68/x
3. Step 3: Cross multiply
   22,511.32x = 31,061.82 × 13,556.68
4. Step 4: Simplify right side
   22,511.32x = 421,095,153.96
5. Step 5: Solve for x
   x = 421,095,153.96/22,511.32
6. Step 6: Final answer
   x = 18,705.93