Finding the Fourth Proportional to 1,281,667.05, 1,922,609.93 and 335,036.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,667.05 : 1,922,609.93 = 335,036.25 : x
2. Step 2: Convert to fraction form
   1,281,667.05/1,922,609.93 = 335,036.25/x
3. Step 3: Cross multiply
   1,281,667.05x = 1,922,609.93 × 335,036.25
4. Step 4: Simplify right side
   1,281,667.05x = 644,144,019,484.78
5. Step 5: Solve for x
   x = 644,144,019,484.78/1,281,667.05
6. Step 6: Final answer
   x = 502,582.96