Finding the Fourth Proportional to 51,145.58, 76,705.41 and 21,563.18

Step by Step Solution

1. Step 1: Write the proportion equation
   51,145.58 : 76,705.41 = 21,563.18 : x
2. Step 2: Convert to fraction form
   51,145.58/76,705.41 = 21,563.18/x
3. Step 3: Cross multiply
   51,145.58x = 76,705.41 × 21,563.18
4. Step 4: Simplify right side
   51,145.58x = 1,654,012,562.80
5. Step 5: Solve for x
   x = 1,654,012,562.80/51,145.58
6. Step 6: Final answer
   x = 32,339.31