Finding the Fourth Proportional to 12,641.63, 17,445.45 and 7,052.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,641.63 : 17,445.45 = 7,052.63 : x
2. Step 2: Convert to fraction form
   12,641.63/17,445.45 = 7,052.63/x
3. Step 3: Cross multiply
   12,641.63x = 17,445.45 × 7,052.63
4. Step 4: Simplify right side
   12,641.63x = 123,036,216.81
5. Step 5: Solve for x
   x = 123,036,216.81/12,641.63
6. Step 6: Final answer
   x = 9,732.63