Finding the Fourth Proportional to 21,841.83, 30,141.72 and 12,410.39

Step by Step Solution

1. Step 1: Write the proportion equation
   21,841.83 : 30,141.72 = 12,410.39 : x
2. Step 2: Convert to fraction form
   21,841.83/30,141.72 = 12,410.39/x
3. Step 3: Cross multiply
   21,841.83x = 30,141.72 × 12,410.39
4. Step 4: Simplify right side
   21,841.83x = 374,070,349.76
5. Step 5: Solve for x
   x = 374,070,349.76/21,841.83
6. Step 6: Final answer
   x = 17,126.33