Finding the Fourth Proportional to 82,145.34, 123,230.10 and 25,972.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,145.34 : 123,230.10 = 25,972.74 : x
2. Step 2: Convert to fraction form
   82,145.34/123,230.10 = 25,972.74/x
3. Step 3: Cross multiply
   82,145.34x = 123,230.10 × 25,972.74
4. Step 4: Simplify right side
   82,145.34x = 3,200,623,347.47
5. Step 5: Solve for x
   x = 3,200,623,347.47/82,145.34
6. Step 6: Final answer
   x = 38,962.93