Finding the Fourth Proportional to 154,003.72, 212,515.14 and 89,467.24

Step by Step Solution

1. Step 1: Write the proportion equation
   154,003.72 : 212,515.14 = 89,467.24 : x
2. Step 2: Convert to fraction form
   154,003.72/212,515.14 = 89,467.24/x
3. Step 3: Cross multiply
   154,003.72x = 212,515.14 × 89,467.24
4. Step 4: Simplify right side
   154,003.72x = 19,013,143,034.01
5. Step 5: Solve for x
   x = 19,013,143,034.01/154,003.72
6. Step 6: Final answer
   x = 123,458.99