Finding the Fourth Proportional to 935,978.22, 1,404,177.38 and 296,320.20

Step by Step Solution

1. Step 1: Write the proportion equation
   935,978.22 : 1,404,177.38 = 296,320.20 : x
2. Step 2: Convert to fraction form
   935,978.22/1,404,177.38 = 296,320.20/x
3. Step 3: Cross multiply
   935,978.22x = 1,404,177.38 × 296,320.20
4. Step 4: Simplify right side
   935,978.22x = 416,086,120,595.48
5. Step 5: Solve for x
   x = 416,086,120,595.48/935,978.22
6. Step 6: Final answer
   x = 444,546.80