Finding the Fourth Proportional to 278,470.52, 384,290.06 and 151,146.11

Step by Step Solution

1. Step 1: Write the proportion equation
   278,470.52 : 384,290.06 = 151,146.11 : x
2. Step 2: Convert to fraction form
   278,470.52/384,290.06 = 151,146.11/x
3. Step 3: Cross multiply
   278,470.52x = 384,290.06 × 151,146.11
4. Step 4: Simplify right side
   278,470.52x = 58,083,945,003.49
5. Step 5: Solve for x
   x = 58,083,945,003.49/278,470.52
6. Step 6: Final answer
   x = 208,582.03