Finding the Fourth Proportional to 9,982.50, 13,776.81 and 5,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982.50 : 13,776.81 = 5,566.50 : x
2. Step 2: Convert to fraction form
   9,982.50/13,776.81 = 5,566.50/x
3. Step 3: Cross multiply
   9,982.50x = 13,776.81 × 5,566.50
4. Step 4: Simplify right side
   9,982.50x = 76,688,612.87
5. Step 5: Solve for x
   x = 76,688,612.87/9,982.50
6. Step 6: Final answer
   x = 7,682.31