Finding the Fourth Proportional to 31,042.30, 46,570.68 and 8,855.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.30 : 46,570.68 = 8,855.98 : x
2. Step 2: Convert to fraction form
   31,042.30/46,570.68 = 8,855.98/x
3. Step 3: Cross multiply
   31,042.30x = 46,570.68 × 8,855.98
4. Step 4: Simplify right side
   31,042.30x = 412,429,010.67
5. Step 5: Solve for x
   x = 412,429,010.67/31,042.30
6. Step 6: Final answer
   x = 13,286.03