Finding the Fourth Proportional to 141,189.36, 194,844.72 and 76,661.34

Step by Step Solution

1. Step 1: Write the proportion equation
   141,189.36 : 194,844.72 = 76,661.34 : x
2. Step 2: Convert to fraction form
   141,189.36/194,844.72 = 76,661.34/x
3. Step 3: Cross multiply
   141,189.36x = 194,844.72 × 76,661.34
4. Step 4: Simplify right side
   141,189.36x = 14,937,057,327.12
5. Step 5: Solve for x
   x = 14,937,057,327.12/141,189.36
6. Step 6: Final answer
   x = 105,794.50