Finding the Fourth Proportional to 21,804.12, 30,088.82 and 12,372.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,804.12 : 30,088.82 = 12,372.52 : x
2. Step 2: Convert to fraction form
   21,804.12/30,088.82 = 12,372.52/x
3. Step 3: Cross multiply
   21,804.12x = 30,088.82 × 12,372.52
4. Step 4: Simplify right side
   21,804.12x = 372,274,527.23
5. Step 5: Solve for x
   x = 372,274,527.23/21,804.12
6. Step 6: Final answer
   x = 17,073.59