Finding the Fourth Proportional to 140,969.18, 194,484.09 and 89,983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,969.18 : 194,484.09 = 89,983.82 : x
2. Step 2: Convert to fraction form
   140,969.18/194,484.09 = 89,983.82/x
3. Step 3: Cross multiply
   140,969.18x = 194,484.09 × 89,983.82
4. Step 4: Simplify right side
   140,969.18x = 17,500,421,347.42
5. Step 5: Solve for x
   x = 17,500,421,347.42/140,969.18
6. Step 6: Final answer
   x = 124,143.60