Finding the Fourth Proportional to 10,707.59, 14,770.45 and 7,558.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.59 : 14,770.45 = 7,558.31 : x
2. Step 2: Convert to fraction form
   10,707.59/14,770.45 = 7,558.31/x
3. Step 3: Cross multiply
   10,707.59x = 14,770.45 × 7,558.31
4. Step 4: Simplify right side
   10,707.59x = 111,639,686.31
5. Step 5: Solve for x
   x = 111,639,686.31/10,707.59
6. Step 6: Final answer
   x = 10,426.22