Finding the Fourth Proportional to 12,679.82, 17,498.19 and 7,090.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,679.82 : 17,498.19 = 7,090.82 : x
2. Step 2: Convert to fraction form
   12,679.82/17,498.19 = 7,090.82/x
3. Step 3: Cross multiply
   12,679.82x = 17,498.19 × 7,090.82
4. Step 4: Simplify right side
   12,679.82x = 124,076,515.62
5. Step 5: Solve for x
   x = 124,076,515.62/12,679.82
6. Step 6: Final answer
   x = 9,785.35