Finding the Fourth Proportional to 82,386.42, 123,535.32 and 26,211.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,386.42 : 123,535.32 = 26,211.30 : x
2. Step 2: Convert to fraction form
   82,386.42/123,535.32 = 26,211.30/x
3. Step 3: Cross multiply
   82,386.42x = 123,535.32 × 26,211.30
4. Step 4: Simplify right side
   82,386.42x = 3,238,021,333.12
5. Step 5: Solve for x
   x = 3,238,021,333.12/82,386.42
6. Step 6: Final answer
   x = 39,302.85