Finding the Fourth Proportional to 40,057.06, 55,278.42 and 22,152.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,057.06 : 55,278.42 = 22,152.82 : x
2. Step 2: Convert to fraction form
   40,057.06/55,278.42 = 22,152.82/x
3. Step 3: Cross multiply
   40,057.06x = 55,278.42 × 22,152.82
4. Step 4: Simplify right side
   40,057.06x = 1,224,572,888.14
5. Step 5: Solve for x
   x = 1,224,572,888.14/40,057.06
6. Step 6: Final answer
   x = 30,570.71