Finding the Fourth Proportional to 31,155.49, 46,705.42 and 11,429.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.49 : 46,705.42 = 11,429.43 : x
2. Step 2: Convert to fraction form
   31,155.49/46,705.42 = 11,429.43/x
3. Step 3: Cross multiply
   31,155.49x = 46,705.42 × 11,429.43
4. Step 4: Simplify right side
   31,155.49x = 533,816,328.51
5. Step 5: Solve for x
   x = 533,816,328.51/31,155.49
6. Step 6: Final answer
   x = 17,133.94