Finding the Fourth Proportional to 309,141.90, 463,627.20 and 109,436.01

Step by Step Solution

1. Step 1: Write the proportion equation
   309,141.90 : 463,627.20 = 109,436.01 : x
2. Step 2: Convert to fraction form
   309,141.90/463,627.20 = 109,436.01/x
3. Step 3: Cross multiply
   309,141.90x = 463,627.20 × 109,436.01
4. Step 4: Simplify right side
   309,141.90x = 50,737,510,895.47
5. Step 5: Solve for x
   x = 50,737,510,895.47/309,141.90
6. Step 6: Final answer
   x = 164,123.69