Finding the Fourth Proportional to 275,799.52, 380,604.72 and 154,945.92

Step by Step Solution

1. Step 1: Write the proportion equation
   275,799.52 : 380,604.72 = 154,945.92 : x
2. Step 2: Convert to fraction form
   275,799.52/380,604.72 = 154,945.92/x
3. Step 3: Cross multiply
   275,799.52x = 380,604.72 × 154,945.92
4. Step 4: Simplify right side
   275,799.52x = 58,973,148,496.74
5. Step 5: Solve for x
   x = 58,973,148,496.74/275,799.52
6. Step 6: Final answer
   x = 213,826.15