Finding the Fourth Proportional to 140,752.38, 194,231.01 and 77,077.89

Step by Step Solution

1. Step 1: Write the proportion equation
   140,752.38 : 194,231.01 = 77,077.89 : x
2. Step 2: Convert to fraction form
   140,752.38/194,231.01 = 77,077.89/x
3. Step 3: Cross multiply
   140,752.38x = 194,231.01 × 77,077.89
4. Step 4: Simplify right side
   140,752.38x = 14,970,916,423.37
5. Step 5: Solve for x
   x = 14,970,916,423.37/140,752.38
6. Step 6: Final answer
   x = 106,363.50