Finding the Fourth Proportional to 132,893.86, 199,016.94 and 87,887.80

Step by Step Solution

1. Step 1: Write the proportion equation
   132,893.86 : 199,016.94 = 87,887.80 : x
2. Step 2: Convert to fraction form
   132,893.86/199,016.94 = 87,887.80/x
3. Step 3: Cross multiply
   132,893.86x = 199,016.94 × 87,887.80
4. Step 4: Simplify right side
   132,893.86x = 17,491,161,019.33
5. Step 5: Solve for x
   x = 17,491,161,019.33/132,893.86
6. Step 6: Final answer
   x = 131,617.53