Finding the Fourth Proportional to 82,290.98, 123,423.86 and 26,123.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,290.98 : 123,423.86 = 26,123.76 : x
2. Step 2: Convert to fraction form
   82,290.98/123,423.86 = 26,123.76/x
3. Step 3: Cross multiply
   82,290.98x = 123,423.86 × 26,123.76
4. Step 4: Simplify right side
   82,290.98x = 3,224,295,362.22
5. Step 5: Solve for x
   x = 3,224,295,362.22/82,290.98
6. Step 6: Final answer
   x = 39,181.64