Finding the Fourth Proportional to 276,500.20, 381,632.72 and 169,159.72

Step by Step Solution

1. Step 1: Write the proportion equation
   276,500.20 : 381,632.72 = 169,159.72 : x
2. Step 2: Convert to fraction form
   276,500.20/381,632.72 = 169,159.72/x
3. Step 3: Cross multiply
   276,500.20x = 381,632.72 × 169,159.72
4. Step 4: Simplify right side
   276,500.20x = 64,556,884,058.04
5. Step 5: Solve for x
   x = 64,556,884,058.04/276,500.20
6. Step 6: Final answer
   x = 233,478.62