Finding the Fourth Proportional to 12,582.61, 17,365.59 and 7,277.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,582.61 : 17,365.59 = 7,277.31 : x
2. Step 2: Convert to fraction form
   12,582.61/17,365.59 = 7,277.31/x
3. Step 3: Cross multiply
   12,582.61x = 17,365.59 × 7,277.31
4. Step 4: Simplify right side
   12,582.61x = 126,374,781.76
5. Step 5: Solve for x
   x = 126,374,781.76/12,582.61
6. Step 6: Final answer
   x = 10,043.61