Finding the Fourth Proportional to 190,968.27, 286,450.56 and 116,109.09

Step by Step Solution

1. Step 1: Write the proportion equation
   190,968.27 : 286,450.56 = 116,109.09 : x
2. Step 2: Convert to fraction form
   190,968.27/286,450.56 = 116,109.09/x
3. Step 3: Cross multiply
   190,968.27x = 286,450.56 × 116,109.09
4. Step 4: Simplify right side
   190,968.27x = 33,259,513,851.59
5. Step 5: Solve for x
   x = 33,259,513,851.59/190,968.27
6. Step 6: Final answer
   x = 174,162.51