Finding the Fourth Proportional to 140,968.68, 194,483.40 and 89,983.32

Step by Step Solution

1. Step 1: Write the proportion equation
   140,968.68 : 194,483.40 = 89,983.32 : x
2. Step 2: Convert to fraction form
   140,968.68/194,483.40 = 89,983.32/x
3. Step 3: Cross multiply
   140,968.68x = 194,483.40 × 89,983.32
4. Step 4: Simplify right side
   140,968.68x = 17,500,262,016.89
5. Step 5: Solve for x
   x = 17,500,262,016.89/140,968.68
6. Step 6: Final answer
   x = 124,142.91