Finding the Fourth Proportional to 49,892.52, 74,852.82 and 21,815.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,892.52 : 74,852.82 = 21,815.04 : x
2. Step 2: Convert to fraction form
   49,892.52/74,852.82 = 21,815.04/x
3. Step 3: Cross multiply
   49,892.52x = 74,852.82 × 21,815.04
4. Step 4: Simplify right side
   49,892.52x = 1,632,917,262.41
5. Step 5: Solve for x
   x = 1,632,917,262.41/49,892.52
6. Step 6: Final answer
   x = 32,728.70