Finding the Fourth Proportional to 22,315.60, 30,795.85 and 12,243.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,315.60 : 30,795.85 = 12,243.86 : x
2. Step 2: Convert to fraction form
   22,315.60/30,795.85 = 12,243.86/x
3. Step 3: Cross multiply
   22,315.60x = 30,795.85 × 12,243.86
4. Step 4: Simplify right side
   22,315.60x = 377,060,075.98
5. Step 5: Solve for x
   x = 377,060,075.98/22,315.60
6. Step 6: Final answer
   x = 16,896.70