Finding the Fourth Proportional to 649,992.80, 975,111.31 and 295,031.77

Step by Step Solution

1. Step 1: Write the proportion equation
   649,992.80 : 975,111.31 = 295,031.77 : x
2. Step 2: Convert to fraction form
   649,992.80/975,111.31 = 295,031.77/x
3. Step 3: Cross multiply
   649,992.80x = 975,111.31 × 295,031.77
4. Step 4: Simplify right side
   649,992.80x = 287,688,813,667.33
5. Step 5: Solve for x
   x = 287,688,813,667.33/649,992.80
6. Step 6: Final answer
   x = 442,603.08