Finding the Fourth Proportional to 162,356.65, 224,054.72 and 90,741.31

Step by Step Solution

1. Step 1: Write the proportion equation
   162,356.65 : 224,054.72 = 90,741.31 : x
2. Step 2: Convert to fraction form
   162,356.65/224,054.72 = 90,741.31/x
3. Step 3: Cross multiply
   162,356.65x = 224,054.72 × 90,741.31
4. Step 4: Simplify right side
   162,356.65x = 20,331,018,350.78
5. Step 5: Solve for x
   x = 20,331,018,350.78/162,356.65
6. Step 6: Final answer
   x = 125,224.43