Finding the Fourth Proportional to 9,977.33, 13,767.62 and 5,727.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.33 : 13,767.62 = 5,727.26 : x
2. Step 2: Convert to fraction form
   9,977.33/13,767.62 = 5,727.26/x
3. Step 3: Cross multiply
   9,977.33x = 13,767.62 × 5,727.26
4. Step 4: Simplify right side
   9,977.33x = 78,850,641.85
5. Step 5: Solve for x
   x = 78,850,641.85/9,977.33
6. Step 6: Final answer
   x = 7,902.98