Finding the Fourth Proportional to 33,545.31, 46,279.27 and 21,615.61

Step by Step Solution

1. Step 1: Write the proportion equation
   33,545.31 : 46,279.27 = 21,615.61 : x
2. Step 2: Convert to fraction form
   33,545.31/46,279.27 = 21,615.61/x
3. Step 3: Cross multiply
   33,545.31x = 46,279.27 × 21,615.61
4. Step 4: Simplify right side
   33,545.31x = 1,000,354,710.29
5. Step 5: Solve for x
   x = 1,000,354,710.29/33,545.31
6. Step 6: Final answer
   x = 29,821.00