Finding the Fourth Proportional to 40,060.71, 55,282.23 and 22,155.39

Step by Step Solution

1. Step 1: Write the proportion equation
   40,060.71 : 55,282.23 = 22,155.39 : x
2. Step 2: Convert to fraction form
   40,060.71/55,282.23 = 22,155.39/x
3. Step 3: Cross multiply
   40,060.71x = 55,282.23 × 22,155.39
4. Step 4: Simplify right side
   40,060.71x = 1,224,799,365.72
5. Step 5: Solve for x
   x = 1,224,799,365.72/40,060.71
6. Step 6: Final answer
   x = 30,573.58