Finding the Fourth Proportional to 82,395.61, 123,561.44 and 28,350.02

Step by Step Solution

1. Step 1: Write the proportion equation
   82,395.61 : 123,561.44 = 28,350.02 : x
2. Step 2: Convert to fraction form
   82,395.61/123,561.44 = 28,350.02/x
3. Step 3: Cross multiply
   82,395.61x = 123,561.44 × 28,350.02
4. Step 4: Simplify right side
   82,395.61x = 3,502,969,153.48
5. Step 5: Solve for x
   x = 3,502,969,153.48/82,395.61
6. Step 6: Final answer
   x = 42,514.03