Finding the Fourth Proportional to 55,184.37, 82,787.49 and 21,920.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,184.37 : 82,787.49 = 21,920.10 : x
2. Step 2: Convert to fraction form
   55,184.37/82,787.49 = 21,920.10/x
3. Step 3: Cross multiply
   55,184.37x = 82,787.49 × 21,920.10
4. Step 4: Simplify right side
   55,184.37x = 1,814,710,059.55
5. Step 5: Solve for x
   x = 1,814,710,059.55/55,184.37
6. Step 6: Final answer
   x = 32,884.49