Finding the Fourth Proportional to 55,068.84, 82,556.46 and 21,812.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,068.84 : 82,556.46 = 21,812.31 : x
2. Step 2: Convert to fraction form
   55,068.84/82,556.46 = 21,812.31/x
3. Step 3: Cross multiply
   55,068.84x = 82,556.46 × 21,812.31
4. Step 4: Simplify right side
   55,068.84x = 1,800,747,098.02
5. Step 5: Solve for x
   x = 1,800,747,098.02/55,068.84
6. Step 6: Final answer
   x = 32,699.93