Finding the Fourth Proportional to 9,261.29, 12,780.09 and 5,068.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,261.29 : 12,780.09 = 5,068.73 : x
2. Step 2: Convert to fraction form
   9,261.29/12,780.09 = 5,068.73/x
3. Step 3: Cross multiply
   9,261.29x = 12,780.09 × 5,068.73
4. Step 4: Simplify right side
   9,261.29x = 64,778,825.59
5. Step 5: Solve for x
   x = 64,778,825.59/9,261.29
6. Step 6: Final answer
   x = 6,994.58