Finding the Fourth Proportional to 55,997.10, 83,993.55 and 13,877.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,997.10 : 83,993.55 = 13,877.31 : x
2. Step 2: Convert to fraction form
   55,997.10/83,993.55 = 13,877.31/x
3. Step 3: Cross multiply
   55,997.10x = 83,993.55 × 13,877.31
4. Step 4: Simplify right side
   55,997.10x = 1,165,604,531.35
5. Step 5: Solve for x
   x = 1,165,604,531.35/55,997.10
6. Step 6: Final answer
   x = 20,815.44