Finding the Fourth Proportional to 123,930.92, 185,896.56 and 30,436.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,930.92 : 185,896.56 = 30,436.76 : x
2. Step 2: Convert to fraction form
   123,930.92/185,896.56 = 30,436.76/x
3. Step 3: Cross multiply
   123,930.92x = 185,896.56 × 30,436.76
4. Step 4: Simplify right side
   123,930.92x = 5,658,088,981.55
5. Step 5: Solve for x
   x = 5,658,088,981.55/123,930.92
6. Step 6: Final answer
   x = 45,655.18