Finding the Fourth Proportional to 22,075.02, 30,453.30 and 12,638.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,075.02 : 30,453.30 = 12,638.52 : x
2. Step 2: Convert to fraction form
   22,075.02/30,453.30 = 12,638.52/x
3. Step 3: Cross multiply
   22,075.02x = 30,453.30 × 12,638.52
4. Step 4: Simplify right side
   22,075.02x = 384,884,641.12
5. Step 5: Solve for x
   x = 384,884,641.12/22,075.02
6. Step 6: Final answer
   x = 17,435.30