Finding the Fourth Proportional to 109,658.65, 164,436.12 and 50,476.81

Step by Step Solution

1. Step 1: Write the proportion equation
   109,658.65 : 164,436.12 = 50,476.81 : x
2. Step 2: Convert to fraction form
   109,658.65/164,436.12 = 50,476.81/x
3. Step 3: Cross multiply
   109,658.65x = 164,436.12 × 50,476.81
4. Step 4: Simplify right side
   109,658.65x = 8,300,210,786.38
5. Step 5: Solve for x
   x = 8,300,210,786.38/109,658.65
6. Step 6: Final answer
   x = 75,691.35