Finding the Fourth Proportional to 55,878.32, 83,818.20 and 16,436.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,878.32 : 83,818.20 = 16,436.28 : x
2. Step 2: Convert to fraction form
   55,878.32/83,818.20 = 16,436.28/x
3. Step 3: Cross multiply
   55,878.32x = 83,818.20 × 16,436.28
4. Step 4: Simplify right side
   55,878.32x = 1,377,659,404.30
5. Step 5: Solve for x
   x = 1,377,659,404.30/55,878.32
6. Step 6: Final answer
   x = 24,654.63