Finding the Fourth Proportional to 9,976.86, 14,936.33 and 5,804.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.86 : 14,936.33 = 5,804.15 : x
2. Step 2: Convert to fraction form
   9,976.86/14,936.33 = 5,804.15/x
3. Step 3: Cross multiply
   9,976.86x = 14,936.33 × 5,804.15
4. Step 4: Simplify right side
   9,976.86x = 86,692,639.60
5. Step 5: Solve for x
   x = 86,692,639.60/9,976.86
6. Step 6: Final answer
   x = 8,689.37