Finding the Fourth Proportional to 40,423, 55,781.52 and 22,273.12

Step by Step Solution

1. Step 1: Write the proportion equation
   40,423 : 55,781.52 = 22,273.12 : x
2. Step 2: Convert to fraction form
   40,423/55,781.52 = 22,273.12/x
3. Step 3: Cross multiply
   40,423x = 55,781.52 × 22,273.12
4. Step 4: Simplify right side
   40,423x = 1,242,428,488.74
5. Step 5: Solve for x
   x = 1,242,428,488.74/40,423
6. Step 6: Final answer
   x = 30,735.68