Finding the Fourth Proportional to 140,748.56, 194,233 and 77,086.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,748.56 : 194,233 = 77,086.52 : x
2. Step 2: Convert to fraction form
   140,748.56/194,233 = 77,086.52/x
3. Step 3: Cross multiply
   140,748.56x = 194,233 × 77,086.52
4. Step 4: Simplify right side
   140,748.56x = 14,972,746,039.16
5. Step 5: Solve for x
   x = 14,972,746,039.16/140,748.56
6. Step 6: Final answer
   x = 106,379.39