Finding the Fourth Proportional to 123,617.16, 185,424.32 and 30,122.91

Step by Step Solution

1. Step 1: Write the proportion equation
   123,617.16 : 185,424.32 = 30,122.91 : x
2. Step 2: Convert to fraction form
   123,617.16/185,424.32 = 30,122.91/x
3. Step 3: Cross multiply
   123,617.16x = 185,424.32 × 30,122.91
4. Step 4: Simplify right side
   123,617.16x = 5,585,520,178.48
5. Step 5: Solve for x
   x = 5,585,520,178.48/123,617.16
6. Step 6: Final answer
   x = 45,184.02