Finding the Fourth Proportional to 55,139.00, 82,735.83 and 21,858.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,139.00 : 82,735.83 = 21,858.32 : x
2. Step 2: Convert to fraction form
   55,139.00/82,735.83 = 21,858.32/x
3. Step 3: Cross multiply
   55,139.00x = 82,735.83 × 21,858.32
4. Step 4: Simplify right side
   55,139.00x = 1,808,466,454.45
5. Step 5: Solve for x
   x = 1,808,466,454.45/55,139.00
6. Step 6: Final answer
   x = 32,798.32