Finding the Fourth Proportional to 140,023.69, 193,232.69 and 76,361.94

Step by Step Solution

1. Step 1: Write the proportion equation
   140,023.69 : 193,232.69 = 76,361.94 : x
2. Step 2: Convert to fraction form
   140,023.69/193,232.69 = 76,361.94/x
3. Step 3: Cross multiply
   140,023.69x = 193,232.69 × 76,361.94
4. Step 4: Simplify right side
   140,023.69x = 14,755,622,984.37
5. Step 5: Solve for x
   x = 14,755,622,984.37/140,023.69
6. Step 6: Final answer
   x = 105,379.48