Finding the Fourth Proportional to 281,707.83, 388,756.71 and 154,383.32

Step by Step Solution

1. Step 1: Write the proportion equation
   281,707.83 : 388,756.71 = 154,383.32 : x
2. Step 2: Convert to fraction form
   281,707.83/388,756.71 = 154,383.32/x
3. Step 3: Cross multiply
   281,707.83x = 388,756.71 × 154,383.32
4. Step 4: Simplify right side
   281,707.83x = 60,017,549,618.29
5. Step 5: Solve for x
   x = 60,017,549,618.29/281,707.83
6. Step 6: Final answer
   x = 213,048.92