Finding the Fourth Proportional to 140,366.69, 193,710.83 and 76,708.59

Step by Step Solution

1. Step 1: Write the proportion equation
   140,366.69 : 193,710.83 = 76,708.59 : x
2. Step 2: Convert to fraction form
   140,366.69/193,710.83 = 76,708.59/x
3. Step 3: Cross multiply
   140,366.69x = 193,710.83 × 76,708.59
4. Step 4: Simplify right side
   140,366.69x = 14,859,283,527.07
5. Step 5: Solve for x
   x = 14,859,283,527.07/140,366.69
6. Step 6: Final answer
   x = 105,860.47