Finding the Fourth Proportional to 12,385.82, 17,092.42 and 7,080.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.82 : 17,092.42 = 7,080.75 : x
2. Step 2: Convert to fraction form
   12,385.82/17,092.42 = 7,080.75/x
3. Step 3: Cross multiply
   12,385.82x = 17,092.42 × 7,080.75
4. Step 4: Simplify right side
   12,385.82x = 121,027,175.04
5. Step 5: Solve for x
   x = 121,027,175.04/12,385.82
6. Step 6: Final answer
   x = 9,771.43