Finding the Fourth Proportional to 141,123.40, 194,752.50 and 77,467

Step by Step Solution

1. Step 1: Write the proportion equation
   141,123.40 : 194,752.50 = 77,467 : x
2. Step 2: Convert to fraction form
   141,123.40/194,752.50 = 77,467/x
3. Step 3: Cross multiply
   141,123.40x = 194,752.50 × 77,467
4. Step 4: Simplify right side
   141,123.40x = 15,086,891,917.50
5. Step 5: Solve for x
   x = 15,086,891,917.50/141,123.40
6. Step 6: Final answer
   x = 106,905.67