Finding the Fourth Proportional to 143,384.16, 197,808.24 and 89,575.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,384.16 : 197,808.24 = 89,575.52 : x
2. Step 2: Convert to fraction form
   143,384.16/197,808.24 = 89,575.52/x
3. Step 3: Cross multiply
   143,384.16x = 197,808.24 × 89,575.52
4. Step 4: Simplify right side
   143,384.16x = 17,718,775,958.28
5. Step 5: Solve for x
   x = 17,718,775,958.28/143,384.16
6. Step 6: Final answer
   x = 123,575.55