Finding the Fourth Proportional to 537,514.72, 806,388.72 and 163,528

Step by Step Solution

1. Step 1: Write the proportion equation
   537,514.72 : 806,388.72 = 163,528 : x
2. Step 2: Convert to fraction form
   537,514.72/806,388.72 = 163,528/x
3. Step 3: Cross multiply
   537,514.72x = 806,388.72 × 163,528
4. Step 4: Simplify right side
   537,514.72x = 131,867,134,604.16
5. Step 5: Solve for x
   x = 131,867,134,604.16/537,514.72
6. Step 6: Final answer
   x = 245,327.49