Finding the Fourth Proportional to 31,094.67, 46,641.53 and 7,721.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.67 : 46,641.53 = 7,721.31 : x
2. Step 2: Convert to fraction form
   31,094.67/46,641.53 = 7,721.31/x
3. Step 3: Cross multiply
   31,094.67x = 46,641.53 × 7,721.31
4. Step 4: Simplify right side
   31,094.67x = 360,133,673.40
5. Step 5: Solve for x
   x = 360,133,673.40/31,094.67
6. Step 6: Final answer
   x = 11,581.85