Finding the Fourth Proportional to 140,961.15, 194,526.41 and 77,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   140,961.15 : 194,526.41 = 77,300.28 : x
2. Step 2: Convert to fraction form
   140,961.15/194,526.41 = 77,300.28/x
3. Step 3: Cross multiply
   140,961.15x = 194,526.41 × 77,300.28
4. Step 4: Simplify right side
   140,961.15x = 15,036,945,573.89
5. Step 5: Solve for x
   x = 15,036,945,573.89/140,961.15
6. Step 6: Final answer
   x = 106,674.40