Finding the Fourth Proportional to 12,042.21, 16,623.83 and 7,004.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.21 : 16,623.83 = 7,004.59 : x
2. Step 2: Convert to fraction form
   12,042.21/16,623.83 = 7,004.59/x
3. Step 3: Cross multiply
   12,042.21x = 16,623.83 × 7,004.59
4. Step 4: Simplify right side
   12,042.21x = 116,443,143.44
5. Step 5: Solve for x
   x = 116,443,143.44/12,042.21
6. Step 6: Final answer
   x = 9,669.58