Finding the Fourth Proportional to 40,165.73, 55,428.72 and 22,261.89

Step by Step Solution

1. Step 1: Write the proportion equation
   40,165.73 : 55,428.72 = 22,261.89 : x
2. Step 2: Convert to fraction form
   40,165.73/55,428.72 = 22,261.89/x
3. Step 3: Cross multiply
   40,165.73x = 55,428.72 × 22,261.89
4. Step 4: Simplify right side
   40,165.73x = 1,233,948,094.74
5. Step 5: Solve for x
   x = 1,233,948,094.74/40,165.73
6. Step 6: Final answer
   x = 30,721.41