Finding the Fourth Proportional to 21,773.40, 30,046.74 and 12,341.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,773.40 : 30,046.74 = 12,341.96 : x
2. Step 2: Convert to fraction form
   21,773.40/30,046.74 = 12,341.96/x
3. Step 3: Cross multiply
   21,773.40x = 30,046.74 × 12,341.96
4. Step 4: Simplify right side
   21,773.40x = 370,835,663.21
5. Step 5: Solve for x
   x = 370,835,663.21/21,773.40
6. Step 6: Final answer
   x = 17,031.59