Finding the Fourth Proportional to 884,667.29, 1,326,663.77 and 315,942.20

Step by Step Solution

1. Step 1: Write the proportion equation
   884,667.29 : 1,326,663.77 = 315,942.20 : x
2. Step 2: Convert to fraction form
   884,667.29/1,326,663.77 = 315,942.20/x
3. Step 3: Cross multiply
   884,667.29x = 1,326,663.77 × 315,942.20
4. Step 4: Simplify right side
   884,667.29x = 419,149,061,941.06
5. Step 5: Solve for x
   x = 419,149,061,941.06/884,667.29
6. Step 6: Final answer
   x = 473,792.88