Finding the Fourth Proportional to 12,642.63, 17,446.83 and 7,053.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,642.63 : 17,446.83 = 7,053.63 : x
2. Step 2: Convert to fraction form
   12,642.63/17,446.83 = 7,053.63/x
3. Step 3: Cross multiply
   12,642.63x = 17,446.83 × 7,053.63
4. Step 4: Simplify right side
   12,642.63x = 123,063,483.49
5. Step 5: Solve for x
   x = 123,063,483.49/12,642.63
6. Step 6: Final answer
   x = 9,734.01