Finding the Fourth Proportional to 12,385.25, 17,092.55 and 7,079.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.25 : 17,092.55 = 7,079.93 : x
2. Step 2: Convert to fraction form
   12,385.25/17,092.55 = 7,079.93/x
3. Step 3: Cross multiply
   12,385.25x = 17,092.55 × 7,079.93
4. Step 4: Simplify right side
   12,385.25x = 121,014,022.12
5. Step 5: Solve for x
   x = 121,014,022.12/12,385.25
6. Step 6: Final answer
   x = 9,770.82