Finding the Fourth Proportional to 82,159.56, 122,655.78 and 79,243.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,159.56 : 122,655.78 = 79,243.56 : x
2. Step 2: Convert to fraction form
   82,159.56/122,655.78 = 79,243.56/x
3. Step 3: Cross multiply
   82,159.56x = 122,655.78 × 79,243.56
4. Step 4: Simplify right side
   82,159.56x = 9,719,680,661.78
5. Step 5: Solve for x
   x = 9,719,680,661.78/82,159.56
6. Step 6: Final answer
   x = 118,302.49