Finding the Fourth Proportional to 332,075.52, 498,378.72 and 172,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   332,075.52 : 498,378.72 = 172,196.88 : x
2. Step 2: Convert to fraction form
   332,075.52/498,378.72 = 172,196.88/x
3. Step 3: Cross multiply
   332,075.52x = 498,378.72 × 172,196.88
4. Step 4: Simplify right side
   332,075.52x = 85,819,260,642.39
5. Step 5: Solve for x
   x = 85,819,260,642.39/332,075.52
6. Step 6: Final answer
   x = 258,432.96