Finding the Fourth Proportional to 143,098.66, 197,476.91 and 89,414.83

Step by Step Solution

1. Step 1: Write the proportion equation
   143,098.66 : 197,476.91 = 89,414.83 : x
2. Step 2: Convert to fraction form
   143,098.66/197,476.91 = 89,414.83/x
3. Step 3: Cross multiply
   143,098.66x = 197,476.91 × 89,414.83
4. Step 4: Simplify right side
   143,098.66x = 17,657,364,336.58
5. Step 5: Solve for x
   x = 17,657,364,336.58/143,098.66
6. Step 6: Final answer
   x = 123,392.94