Finding the Fourth Proportional to 82,619.34, 123,604.61 and 63,756.87

Step by Step Solution

1. Step 1: Write the proportion equation
   82,619.34 : 123,604.61 = 63,756.87 : x
2. Step 2: Convert to fraction form
   82,619.34/123,604.61 = 63,756.87/x
3. Step 3: Cross multiply
   82,619.34x = 123,604.61 × 63,756.87
4. Step 4: Simplify right side
   82,619.34x = 7,880,642,732.39
5. Step 5: Solve for x
   x = 7,880,642,732.39/82,619.34
6. Step 6: Final answer
   x = 95,384.96