Finding the Fourth Proportional to 162,815.69, 224,683.02 and 91,195.49

Step by Step Solution

1. Step 1: Write the proportion equation
   162,815.69 : 224,683.02 = 91,195.49 : x
2. Step 2: Convert to fraction form
   162,815.69/224,683.02 = 91,195.49/x
3. Step 3: Cross multiply
   162,815.69x = 224,683.02 × 91,195.49
4. Step 4: Simplify right side
   162,815.69x = 20,490,078,665.29
5. Step 5: Solve for x
   x = 20,490,078,665.29/162,815.69
6. Step 6: Final answer
   x = 125,848.30