Finding the Fourth Proportional to 82,188.27, 123,289.43 and 28,875.59

Step by Step Solution

1. Step 1: Write the proportion equation
   82,188.27 : 123,289.43 = 28,875.59 : x
2. Step 2: Convert to fraction form
   82,188.27/123,289.43 = 28,875.59/x
3. Step 3: Cross multiply
   82,188.27x = 123,289.43 × 28,875.59
4. Step 4: Simplify right side
   82,188.27x = 3,560,054,733.52
5. Step 5: Solve for x
   x = 3,560,054,733.52/82,188.27
6. Step 6: Final answer
   x = 43,315.85