Finding the Fourth Proportional to 165,196.30, 227,963.56 and 93,574.88

Step by Step Solution

1. Step 1: Write the proportion equation
   165,196.30 : 227,963.56 = 93,574.88 : x
2. Step 2: Convert to fraction form
   165,196.30/227,963.56 = 93,574.88/x
3. Step 3: Cross multiply
   165,196.30x = 227,963.56 × 93,574.88
4. Step 4: Simplify right side
   165,196.30x = 21,331,662,771.37
5. Step 5: Solve for x
   x = 21,331,662,771.37/165,196.30
6. Step 6: Final answer
   x = 129,129.18