Finding the Fourth Proportional to 49,898.52, 74,861.82 and 21,821.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,898.52 : 74,861.82 = 21,821.04 : x
2. Step 2: Convert to fraction form
   49,898.52/74,861.82 = 21,821.04/x
3. Step 3: Cross multiply
   49,898.52x = 74,861.82 × 21,821.04
4. Step 4: Simplify right side
   49,898.52x = 1,633,562,768.69
5. Step 5: Solve for x
   x = 1,633,562,768.69/49,898.52
6. Step 6: Final answer
   x = 32,737.70