Finding the Fourth Proportional to 9,976.14, 13,767.70 and 5,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.14 : 13,767.70 = 5,499.89 : x
2. Step 2: Convert to fraction form
   9,976.14/13,767.70 = 5,499.89/x
3. Step 3: Cross multiply
   9,976.14x = 13,767.70 × 5,499.89
4. Step 4: Simplify right side
   9,976.14x = 75,720,739.22
5. Step 5: Solve for x
   x = 75,720,739.22/9,976.14
6. Step 6: Final answer
   x = 7,590.18