Finding the Fourth Proportional to 270,300.57, 373,003.79 and 149,434.17

Step by Step Solution

1. Step 1: Write the proportion equation
   270,300.57 : 373,003.79 = 149,434.17 : x
2. Step 2: Convert to fraction form
   270,300.57/373,003.79 = 149,434.17/x
3. Step 3: Cross multiply
   270,300.57x = 373,003.79 × 149,434.17
4. Step 4: Simplify right side
   270,300.57x = 55,739,511,018.33
5. Step 5: Solve for x
   x = 55,739,511,018.33/270,300.57
6. Step 6: Final answer
   x = 206,213.07