Finding the Fourth Proportional to 171,436.08, 257,151.72 and 167,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   171,436.08 : 257,151.72 = 167,200.56 : x
2. Step 2: Convert to fraction form
   171,436.08/257,151.72 = 167,200.56/x
3. Step 3: Cross multiply
   171,436.08x = 257,151.72 × 167,200.56
4. Step 4: Simplify right side
   171,436.08x = 42,995,911,588.96
5. Step 5: Solve for x
   x = 42,995,911,588.96/171,436.08
6. Step 6: Final answer
   x = 250,798.50