Finding the Fourth Proportional to 31,043.30, 46,572.18 and 8,856.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,043.30 : 46,572.18 = 8,856.98 : x
2. Step 2: Convert to fraction form
   31,043.30/46,572.18 = 8,856.98/x
3. Step 3: Cross multiply
   31,043.30x = 46,572.18 × 8,856.98
4. Step 4: Simplify right side
   31,043.30x = 412,488,866.82
5. Step 5: Solve for x
   x = 412,488,866.82/31,043.30
6. Step 6: Final answer
   x = 13,287.53