Finding the Fourth Proportional to 82,312.51, 123,455.89 and 26,145.23

Step by Step Solution

1. Step 1: Write the proportion equation
   82,312.51 : 123,455.89 = 26,145.23 : x
2. Step 2: Convert to fraction form
   82,312.51/123,455.89 = 26,145.23/x
3. Step 3: Cross multiply
   82,312.51x = 123,455.89 × 26,145.23
4. Step 4: Simplify right side
   82,312.51x = 3,227,782,638.90
5. Step 5: Solve for x
   x = 3,227,782,638.90/82,312.51
6. Step 6: Final answer
   x = 39,213.76