Finding the Fourth Proportional to 104,974.30, 157,414.06 and 30,077.31

Step by Step Solution

1. Step 1: Write the proportion equation
   104,974.30 : 157,414.06 = 30,077.31 : x
2. Step 2: Convert to fraction form
   104,974.30/157,414.06 = 30,077.31/x
3. Step 3: Cross multiply
   104,974.30x = 157,414.06 × 30,077.31
4. Step 4: Simplify right side
   104,974.30x = 4,734,591,480.98
5. Step 5: Solve for x
   x = 4,734,591,480.98/104,974.30
6. Step 6: Final answer
   x = 45,102.39