Finding the Fourth Proportional to 22,075.20, 30,463.02 and 12,641.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,075.20 : 30,463.02 = 12,641.94 : x
2. Step 2: Convert to fraction form
   22,075.20/30,463.02 = 12,641.94/x
3. Step 3: Cross multiply
   22,075.20x = 30,463.02 × 12,641.94
4. Step 4: Simplify right side
   22,075.20x = 385,111,671.06
5. Step 5: Solve for x
   x = 385,111,671.06/22,075.20
6. Step 6: Final answer
   x = 17,445.44