Finding the Fourth Proportional to 143,030.32, 197,420.14 and 89,282.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,030.32 : 197,420.14 = 89,282.98 : x
2. Step 2: Convert to fraction form
   143,030.32/197,420.14 = 89,282.98/x
3. Step 3: Cross multiply
   143,030.32x = 197,420.14 × 89,282.98
4. Step 4: Simplify right side
   143,030.32x = 17,626,258,411.22
5. Step 5: Solve for x
   x = 17,626,258,411.22/143,030.32
6. Step 6: Final answer
   x = 123,234.42