Finding the Fourth Proportional to 55,922.76, 83,898.72 and 20,862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,922.76 : 83,898.72 = 20,862.72 : x
2. Step 2: Convert to fraction form
   55,922.76/83,898.72 = 20,862.72/x
3. Step 3: Cross multiply
   55,922.76x = 83,898.72 × 20,862.72
4. Step 4: Simplify right side
   55,922.76x = 1,750,355,503.72
5. Step 5: Solve for x
   x = 1,750,355,503.72/55,922.76
6. Step 6: Final answer
   x = 31,299.52