Finding the Fourth Proportional to 82,447.76, 123,680.72 and 26,274.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,447.76 : 123,680.72 = 26,274.80 : x
2. Step 2: Convert to fraction form
   82,447.76/123,680.72 = 26,274.80/x
3. Step 3: Cross multiply
   82,447.76x = 123,680.72 × 26,274.80
4. Step 4: Simplify right side
   82,447.76x = 3,249,686,181.86
5. Step 5: Solve for x
   x = 3,249,686,181.86/82,447.76
6. Step 6: Final answer
   x = 39,415.09