Finding the Fourth Proportional to 469,906.56, 648,464.06 and 265,996.15

Step by Step Solution

1. Step 1: Write the proportion equation
   469,906.56 : 648,464.06 = 265,996.15 : x
2. Step 2: Convert to fraction form
   469,906.56/648,464.06 = 265,996.15/x
3. Step 3: Cross multiply
   469,906.56x = 648,464.06 × 265,996.15
4. Step 4: Simplify right side
   469,906.56x = 172,488,942,417.20
5. Step 5: Solve for x
   x = 172,488,942,417.20/469,906.56
6. Step 6: Final answer
   x = 367,070.73