Finding the Fourth Proportional to 40,141.50, 55,390.78 and 22,232

Step by Step Solution

1. Step 1: Write the proportion equation
   40,141.50 : 55,390.78 = 22,232 : x
2. Step 2: Convert to fraction form
   40,141.50/55,390.78 = 22,232/x
3. Step 3: Cross multiply
   40,141.50x = 55,390.78 × 22,232
4. Step 4: Simplify right side
   40,141.50x = 1,231,447,820.96
5. Step 5: Solve for x
   x = 1,231,447,820.96/40,141.50
6. Step 6: Final answer
   x = 30,677.67