Finding the Fourth Proportional to 942,016.10, 1,413,110.55 and 310,931.30

Step by Step Solution

1. Step 1: Write the proportion equation
   942,016.10 : 1,413,110.55 = 310,931.30 : x
2. Step 2: Convert to fraction form
   942,016.10/1,413,110.55 = 310,931.30/x
3. Step 3: Cross multiply
   942,016.10x = 1,413,110.55 × 310,931.30
4. Step 4: Simplify right side
   942,016.10x = 439,380,300,355.22
5. Step 5: Solve for x
   x = 439,380,300,355.22/942,016.10
6. Step 6: Final answer
   x = 466,425.47