Finding the Fourth Proportional to 12,347.34, 17,039.34 and 7,042.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,347.34 : 17,039.34 = 7,042.02 : x
2. Step 2: Convert to fraction form
   12,347.34/17,039.34 = 7,042.02/x
3. Step 3: Cross multiply
   12,347.34x = 17,039.34 × 7,042.02
4. Step 4: Simplify right side
   12,347.34x = 119,991,373.07
5. Step 5: Solve for x
   x = 119,991,373.07/12,347.34
6. Step 6: Final answer
   x = 9,717.99