Finding the Fourth Proportional to 123,896.76, 185,845.40 and 30,402.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,896.76 : 185,845.40 = 30,402.76 : x
2. Step 2: Convert to fraction form
   123,896.76/185,845.40 = 30,402.76/x
3. Step 3: Cross multiply
   123,896.76x = 185,845.40 × 30,402.76
4. Step 4: Simplify right side
   123,896.76x = 5,650,213,093.30
5. Step 5: Solve for x
   x = 5,650,213,093.30/123,896.76
6. Step 6: Final answer
   x = 45,604.20