Finding the Fourth Proportional to 141,196.53, 194,853.61 and 77,540.25

Step by Step Solution

1. Step 1: Write the proportion equation
   141,196.53 : 194,853.61 = 77,540.25 : x
2. Step 2: Convert to fraction form
   141,196.53/194,853.61 = 77,540.25/x
3. Step 3: Cross multiply
   141,196.53x = 194,853.61 × 77,540.25
4. Step 4: Simplify right side
   141,196.53x = 15,108,997,632.80
5. Step 5: Solve for x
   x = 15,108,997,632.80/141,196.53
6. Step 6: Final answer
   x = 107,006.86