Finding the Fourth Proportional to 240,150.57, 360,265.46 and 99,919.05

Step by Step Solution

1. Step 1: Write the proportion equation
   240,150.57 : 360,265.46 = 99,919.05 : x
2. Step 2: Convert to fraction form
   240,150.57/360,265.46 = 99,919.05/x
3. Step 3: Cross multiply
   240,150.57x = 360,265.46 × 99,919.05
4. Step 4: Simplify right side
   240,150.57x = 35,997,382,011.42
5. Step 5: Solve for x
   x = 35,997,382,011.42/240,150.57
6. Step 6: Final answer
   x = 149,895.05