Finding the Fourth Proportional to 309,463.29, 464,201.37 and 99,100.62

Step by Step Solution

1. Step 1: Write the proportion equation
   309,463.29 : 464,201.37 = 99,100.62 : x
2. Step 2: Convert to fraction form
   309,463.29/464,201.37 = 99,100.62/x
3. Step 3: Cross multiply
   309,463.29x = 464,201.37 × 99,100.62
4. Step 4: Simplify right side
   309,463.29x = 46,002,643,571.85
5. Step 5: Solve for x
   x = 46,002,643,571.85/309,463.29
6. Step 6: Final answer
   x = 148,652.99