Finding the Fourth Proportional to 143,175.02, 197,680.38 and 89,484.18

Step by Step Solution

1. Step 1: Write the proportion equation
   143,175.02 : 197,680.38 = 89,484.18 : x
2. Step 2: Convert to fraction form
   143,175.02/197,680.38 = 89,484.18/x
3. Step 3: Cross multiply
   143,175.02x = 197,680.38 × 89,484.18
4. Step 4: Simplify right side
   143,175.02x = 17,689,266,706.39
5. Step 5: Solve for x
   x = 17,689,266,706.39/143,175.02
6. Step 6: Final answer
   x = 123,549.95