Finding the Fourth Proportional to 21,562.79, 29,755.89 and 12,002.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,562.79 : 29,755.89 = 12,002.36 : x
2. Step 2: Convert to fraction form
   21,562.79/29,755.89 = 12,002.36/x
3. Step 3: Cross multiply
   21,562.79x = 29,755.89 × 12,002.36
4. Step 4: Simplify right side
   21,562.79x = 357,140,755.12
5. Step 5: Solve for x
   x = 357,140,755.12/21,562.79
6. Step 6: Final answer
   x = 16,562.83