Finding the Fourth Proportional to 927,468, 1,390,796.88 and 328,230

Step by Step Solution

1. Step 1: Write the proportion equation
   927,468 : 1,390,796.88 = 328,230 : x
2. Step 2: Convert to fraction form
   927,468/1,390,796.88 = 328,230/x
3. Step 3: Cross multiply
   927,468x = 1,390,796.88 × 328,230
4. Step 4: Simplify right side
   927,468x = 456,501,259,922.40
5. Step 5: Solve for x
   x = 456,501,259,922.40/927,468
6. Step 6: Final answer
   x = 492,201.63