Finding the Fourth Proportional to 82,018.08, 123,078.84 and 47,026.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,018.08 : 123,078.84 = 47,026.08 : x
2. Step 2: Convert to fraction form
   82,018.08/123,078.84 = 47,026.08/x
3. Step 3: Cross multiply
   82,018.08x = 123,078.84 × 47,026.08
4. Step 4: Simplify right side
   82,018.08x = 5,787,915,376.15
5. Step 5: Solve for x
   x = 5,787,915,376.15/82,018.08
6. Step 6: Final answer
   x = 70,568.77