Finding the Fourth Proportional to 55,150, 82,752.34 and 21,869.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,150 : 82,752.34 = 21,869.34 : x
2. Step 2: Convert to fraction form
   55,150/82,752.34 = 21,869.34/x
3. Step 3: Cross multiply
   55,150x = 82,752.34 × 21,869.34
4. Step 4: Simplify right side
   55,150x = 1,809,739,059.26
5. Step 5: Solve for x
   x = 1,809,739,059.26/55,150
6. Step 6: Final answer
   x = 32,814.85