Finding the Fourth Proportional to 40,017.99, 55,225.32 and 22,112.84

Step by Step Solution

1. Step 1: Write the proportion equation
   40,017.99 : 55,225.32 = 22,112.84 : x
2. Step 2: Convert to fraction form
   40,017.99/55,225.32 = 22,112.84/x
3. Step 3: Cross multiply
   40,017.99x = 55,225.32 × 22,112.84
4. Step 4: Simplify right side
   40,017.99x = 1,221,188,665.11
5. Step 5: Solve for x
   x = 1,221,188,665.11/40,017.99
6. Step 6: Final answer
   x = 30,515.99