Finding the Fourth Proportional to 9,316.66, 12,862.89 and 5,783.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.66 : 12,862.89 = 5,783.62 : x
2. Step 2: Convert to fraction form
   9,316.66/12,862.89 = 5,783.62/x
3. Step 3: Cross multiply
   9,316.66x = 12,862.89 × 5,783.62
4. Step 4: Simplify right side
   9,316.66x = 74,394,067.86
5. Step 5: Solve for x
   x = 74,394,067.86/9,316.66
6. Step 6: Final answer
   x = 7,985.06