Finding the Fourth Proportional to 82,435.20, 123,659.76 and 26,283.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,435.20 : 123,659.76 = 26,283.30 : x
2. Step 2: Convert to fraction form
   82,435.20/123,659.76 = 26,283.30/x
3. Step 3: Cross multiply
   82,435.20x = 123,659.76 × 26,283.30
4. Step 4: Simplify right side
   82,435.20x = 3,250,186,570.01
5. Step 5: Solve for x
   x = 3,250,186,570.01/82,435.20
6. Step 6: Final answer
   x = 39,427.17