Finding the Fourth Proportional to 162,022.93, 223,602.42 and 90,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   162,022.93 : 223,602.42 = 90,404.56 : x
2. Step 2: Convert to fraction form
   162,022.93/223,602.42 = 90,404.56/x
3. Step 3: Cross multiply
   162,022.93x = 223,602.42 × 90,404.56
4. Step 4: Simplify right side
   162,022.93x = 20,214,678,395.04
5. Step 5: Solve for x
   x = 20,214,678,395.04/162,022.93
6. Step 6: Final answer
   x = 124,764.31