Finding the Fourth Proportional to 223,945.74, 335,916.52 and 90,794.35

Step by Step Solution

1. Step 1: Write the proportion equation
   223,945.74 : 335,916.52 = 90,794.35 : x
2. Step 2: Convert to fraction form
   223,945.74/335,916.52 = 90,794.35/x
3. Step 3: Cross multiply
   223,945.74x = 335,916.52 × 90,794.35
4. Step 4: Simplify right side
   223,945.74x = 30,499,321,846.52
5. Step 5: Solve for x
   x = 30,499,321,846.52/223,945.74
6. Step 6: Final answer
   x = 136,190.67