Finding the Fourth Proportional to 134,016.28, 201,987.71 and 115,519.56

Step by Step Solution

1. Step 1: Write the proportion equation
   134,016.28 : 201,987.71 = 115,519.56 : x
2. Step 2: Convert to fraction form
   134,016.28/201,987.71 = 115,519.56/x
3. Step 3: Cross multiply
   134,016.28x = 201,987.71 × 115,519.56
4. Step 4: Simplify right side
   134,016.28x = 23,333,531,384.61
5. Step 5: Solve for x
   x = 23,333,531,384.61/134,016.28
6. Step 6: Final answer
   x = 174,109.68