Finding the Fourth Proportional to 144,887, 199,944.78 and 84,499.52

Step by Step Solution

1. Step 1: Write the proportion equation
   144,887 : 199,944.78 = 84,499.52 : x
2. Step 2: Convert to fraction form
   144,887/199,944.78 = 84,499.52/x
3. Step 3: Cross multiply
   144,887x = 199,944.78 × 84,499.52
4. Step 4: Simplify right side
   144,887x = 16,895,237,936.51
5. Step 5: Solve for x
   x = 16,895,237,936.51/144,887
6. Step 6: Final answer
   x = 116,609.76