Finding the Fourth Proportional to 275,498.42, 380,182.28 and 152,984.38

Step by Step Solution

1. Step 1: Write the proportion equation
   275,498.42 : 380,182.28 = 152,984.38 : x
2. Step 2: Convert to fraction form
   275,498.42/380,182.28 = 152,984.38/x
3. Step 3: Cross multiply
   275,498.42x = 380,182.28 × 152,984.38
4. Step 4: Simplify right side
   275,498.42x = 58,161,950,392.79
5. Step 5: Solve for x
   x = 58,161,950,392.79/275,498.42
6. Step 6: Final answer
   x = 211,115.37