Finding the Fourth Proportional to 550,796.36, 826,429.59 and 311,090.22

Step by Step Solution

1. Step 1: Write the proportion equation
   550,796.36 : 826,429.59 = 311,090.22 : x
2. Step 2: Convert to fraction form
   550,796.36/826,429.59 = 311,090.22/x
3. Step 3: Cross multiply
   550,796.36x = 826,429.59 × 311,090.22
4. Step 4: Simplify right side
   550,796.36x = 257,094,162,967.61
5. Step 5: Solve for x
   x = 257,094,162,967.61/550,796.36
6. Step 6: Final answer
   x = 466,768.09