Finding the Fourth Proportional to 909,501.30, 1,364,019.25 and 269,655.42

Step by Step Solution

1. Step 1: Write the proportion equation
   909,501.30 : 1,364,019.25 = 269,655.42 : x
2. Step 2: Convert to fraction form
   909,501.30/1,364,019.25 = 269,655.42/x
3. Step 3: Cross multiply
   909,501.30x = 1,364,019.25 × 269,655.42
4. Step 4: Simplify right side
   909,501.30x = 367,815,181,020.76
5. Step 5: Solve for x
   x = 367,815,181,020.76/909,501.30
6. Step 6: Final answer
   x = 404,414.13