Finding the Fourth Proportional to 140,851.42, 194,375.12 and 76,320.61

Step by Step Solution

1. Step 1: Write the proportion equation
   140,851.42 : 194,375.12 = 76,320.61 : x
2. Step 2: Convert to fraction form
   140,851.42/194,375.12 = 76,320.61/x
3. Step 3: Cross multiply
   140,851.42x = 194,375.12 × 76,320.61
4. Step 4: Simplify right side
   140,851.42x = 14,834,826,755.35
5. Step 5: Solve for x
   x = 14,834,826,755.35/140,851.42
6. Step 6: Final answer
   x = 105,322.53