Finding the Fourth Proportional to 109,123.91, 163,685.41 and 30,237.91

Step by Step Solution

1. Step 1: Write the proportion equation
   109,123.91 : 163,685.41 = 30,237.91 : x
2. Step 2: Convert to fraction form
   109,123.91/163,685.41 = 30,237.91/x
3. Step 3: Cross multiply
   109,123.91x = 163,685.41 × 30,237.91
4. Step 4: Simplify right side
   109,123.91x = 4,949,504,695.89
5. Step 5: Solve for x
   x = 4,949,504,695.89/109,123.91
6. Step 6: Final answer
   x = 45,356.74