Finding the Fourth Proportional to 132,885.37, 199,400.96 and 53,978.41

Step by Step Solution

1. Step 1: Write the proportion equation
   132,885.37 : 199,400.96 = 53,978.41 : x
2. Step 2: Convert to fraction form
   132,885.37/199,400.96 = 53,978.41/x
3. Step 3: Cross multiply
   132,885.37x = 199,400.96 × 53,978.41
4. Step 4: Simplify right side
   132,885.37x = 10,763,346,773.27
5. Step 5: Solve for x
   x = 10,763,346,773.27/132,885.37
6. Step 6: Final answer
   x = 80,997.23