Finding the Fourth Proportional to 123,819.30, 185,726.79 and 30,325.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,819.30 : 185,726.79 = 30,325.86 : x
2. Step 2: Convert to fraction form
   123,819.30/185,726.79 = 30,325.86/x
3. Step 3: Cross multiply
   123,819.30x = 185,726.79 × 30,325.86
4. Step 4: Simplify right side
   123,819.30x = 5,632,324,631.79
5. Step 5: Solve for x
   x = 5,632,324,631.79/123,819.30
6. Step 6: Final answer
   x = 45,488.26