Finding the Fourth Proportional to 162,433.96, 224,152.46 and 89,832.05

Step by Step Solution

1. Step 1: Write the proportion equation
   162,433.96 : 224,152.46 = 89,832.05 : x
2. Step 2: Convert to fraction form
   162,433.96/224,152.46 = 89,832.05/x
3. Step 3: Cross multiply
   162,433.96x = 224,152.46 × 89,832.05
4. Step 4: Simplify right side
   162,433.96x = 20,136,075,422.38
5. Step 5: Solve for x
   x = 20,136,075,422.38/162,433.96
6. Step 6: Final answer
   x = 123,964.69