Finding the Fourth Proportional to 31,012.30, 46,518.98 and 8,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,012.30 : 46,518.98 = 8,826.25 : x
2. Step 2: Convert to fraction form
   31,012.30/46,518.98 = 8,826.25/x
3. Step 3: Cross multiply
   31,012.30x = 46,518.98 × 8,826.25
4. Step 4: Simplify right side
   31,012.30x = 410,588,147.23
5. Step 5: Solve for x
   x = 410,588,147.23/31,012.30
6. Step 6: Final answer
   x = 13,239.53