Finding the Fourth Proportional to 162,816.69, 224,684.40 and 91,196.49

Step by Step Solution

1. Step 1: Write the proportion equation
   162,816.69 : 224,684.40 = 91,196.49 : x
2. Step 2: Convert to fraction form
   162,816.69/224,684.40 = 91,196.49/x
3. Step 3: Cross multiply
   162,816.69x = 224,684.40 × 91,196.49
4. Step 4: Simplify right side
   162,816.69x = 20,490,428,637.76
5. Step 5: Solve for x
   x = 20,490,428,637.76/162,816.69
6. Step 6: Final answer
   x = 125,849.68