Finding the Fourth Proportional to 10,135.31, 13,986.72 and 5,659.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,135.31 : 13,986.72 = 5,659.07 : x
2. Step 2: Convert to fraction form
   10,135.31/13,986.72 = 5,659.07/x
3. Step 3: Cross multiply
   10,135.31x = 13,986.72 × 5,659.07
4. Step 4: Simplify right side
   10,135.31x = 79,151,757.62
5. Step 5: Solve for x
   x = 79,151,757.62/10,135.31
6. Step 6: Final answer
   x = 7,809.51