Finding the Fourth Proportional to 20,086.96, 30,130.62 and 5,297.98

Step by Step Solution

1. Step 1: Write the proportion equation
   20,086.96 : 30,130.62 = 5,297.98 : x
2. Step 2: Convert to fraction form
   20,086.96/30,130.62 = 5,297.98/x
3. Step 3: Cross multiply
   20,086.96x = 30,130.62 × 5,297.98
4. Step 4: Simplify right side
   20,086.96x = 159,631,422.15
5. Step 5: Solve for x
   x = 159,631,422.15/20,086.96
6. Step 6: Final answer
   x = 7,947.02