Finding the Fourth Proportional to 142,951, 197,143.23 and 89,240.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,951 : 197,143.23 = 89,240.98 : x
2. Step 2: Convert to fraction form
   142,951/197,143.23 = 89,240.98/x
3. Step 3: Cross multiply
   142,951x = 197,143.23 × 89,240.98
4. Step 4: Simplify right side
   142,951x = 17,593,255,045.57
5. Step 5: Solve for x
   x = 17,593,255,045.57/142,951
6. Step 6: Final answer
   x = 123,071.93