Finding the Fourth Proportional to 144,496.01, 199,444.61 and 84,078.36

Step by Step Solution

1. Step 1: Write the proportion equation
   144,496.01 : 199,444.61 = 84,078.36 : x
2. Step 2: Convert to fraction form
   144,496.01/199,444.61 = 84,078.36/x
3. Step 3: Cross multiply
   144,496.01x = 199,444.61 × 84,078.36
4. Step 4: Simplify right side
   144,496.01x = 16,768,976,047.17
5. Step 5: Solve for x
   x = 16,768,976,047.17/144,496.01
6. Step 6: Final answer
   x = 116,051.48