Finding the Fourth Proportional to 21,845.86, 30,137.83 and 13,773.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,845.86 : 30,137.83 = 13,773.16 : x
2. Step 2: Convert to fraction form
   21,845.86/30,137.83 = 13,773.16/x
3. Step 3: Cross multiply
   21,845.86x = 30,137.83 × 13,773.16
4. Step 4: Simplify right side
   21,845.86x = 415,093,154.64
5. Step 5: Solve for x
   x = 415,093,154.64/21,845.86
6. Step 6: Final answer
   x = 19,001.00