Finding the Fourth Proportional to 382,636.70, 573,964.50 and 182,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   382,636.70 : 573,964.50 = 182,978.18 : x
2. Step 2: Convert to fraction form
   382,636.70/573,964.50 = 182,978.18/x
3. Step 3: Cross multiply
   382,636.70x = 573,964.50 × 182,978.18
4. Step 4: Simplify right side
   382,636.70x = 105,022,979,594.61
5. Step 5: Solve for x
   x = 105,022,979,594.61/382,636.70
6. Step 6: Final answer
   x = 274,471.79