Finding the Fourth Proportional to 140,561.64, 193,955.94 and 83,961

Step by Step Solution

1. Step 1: Write the proportion equation
   140,561.64 : 193,955.94 = 83,961 : x
2. Step 2: Convert to fraction form
   140,561.64/193,955.94 = 83,961/x
3. Step 3: Cross multiply
   140,561.64x = 193,955.94 × 83,961
4. Step 4: Simplify right side
   140,561.64x = 16,284,734,678.34
5. Step 5: Solve for x
   x = 16,284,734,678.34/140,561.64
6. Step 6: Final answer
   x = 115,854.76