Finding the Fourth Proportional to 322,017.48, 482,870.86 and 134,978.76

Step by Step Solution

1. Step 1: Write the proportion equation
   322,017.48 : 482,870.86 = 134,978.76 : x
2. Step 2: Convert to fraction form
   322,017.48/482,870.86 = 134,978.76/x
3. Step 3: Cross multiply
   322,017.48x = 482,870.86 × 134,978.76
4. Step 4: Simplify right side
   322,017.48x = 65,177,309,922.93
5. Step 5: Solve for x
   x = 65,177,309,922.93/322,017.48
6. Step 6: Final answer
   x = 202,403.02