Finding the Fourth Proportional to 123,721.31, 185,580.35 and 30,227.87

Step by Step Solution

1. Step 1: Write the proportion equation
   123,721.31 : 185,580.35 = 30,227.87 : x
2. Step 2: Convert to fraction form
   123,721.31/185,580.35 = 30,227.87/x
3. Step 3: Cross multiply
   123,721.31x = 185,580.35 × 30,227.87
4. Step 4: Simplify right side
   123,721.31x = 5,609,698,694.35
5. Step 5: Solve for x
   x = 5,609,698,694.35/123,721.31
6. Step 6: Final answer
   x = 45,341.41