Finding the Fourth Proportional to 12,608.34, 17,398.77 and 7,302.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608.34 : 17,398.77 = 7,302.78 : x
2. Step 2: Convert to fraction form
   12,608.34/17,398.77 = 7,302.78/x
3. Step 3: Cross multiply
   12,608.34x = 17,398.77 × 7,302.78
4. Step 4: Simplify right side
   12,608.34x = 127,059,389.58
5. Step 5: Solve for x
   x = 127,059,389.58/12,608.34
6. Step 6: Final answer
   x = 10,077.41