Finding the Fourth Proportional to 325,288.61, 488,099.69 and 156,952.49

Step by Step Solution

1. Step 1: Write the proportion equation
   325,288.61 : 488,099.69 = 156,952.49 : x
2. Step 2: Convert to fraction form
   325,288.61/488,099.69 = 156,952.49/x
3. Step 3: Cross multiply
   325,288.61x = 488,099.69 × 156,952.49
4. Step 4: Simplify right side
   325,288.61x = 76,608,459,077.04
5. Step 5: Solve for x
   x = 76,608,459,077.04/325,288.61
6. Step 6: Final answer
   x = 235,509.20