Finding the Fourth Proportional to 143,084.98, 197,417.16 and 89,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,084.98 : 197,417.16 = 89,424.52 : x
2. Step 2: Convert to fraction form
   143,084.98/197,417.16 = 89,424.52/x
3. Step 3: Cross multiply
   143,084.98x = 197,417.16 × 89,424.52
4. Step 4: Simplify right side
   143,084.98x = 17,653,934,772.76
5. Step 5: Solve for x
   x = 17,653,934,772.76/143,084.98
6. Step 6: Final answer
   x = 123,380.77