Finding the Fourth Proportional to 140,198.12, 193,473.22 and 89,897

Step by Step Solution

1. Step 1: Write the proportion equation
   140,198.12 : 193,473.22 = 89,897 : x
2. Step 2: Convert to fraction form
   140,198.12/193,473.22 = 89,897/x
3. Step 3: Cross multiply
   140,198.12x = 193,473.22 × 89,897
4. Step 4: Simplify right side
   140,198.12x = 17,392,662,058.34
5. Step 5: Solve for x
   x = 17,392,662,058.34/140,198.12
6. Step 6: Final answer
   x = 124,057.74