Finding the Fourth Proportional to 76,361.67, 105,379.57 and 42,370.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,361.67 : 105,379.57 = 42,370.82 : x
2. Step 2: Convert to fraction form
   76,361.67/105,379.57 = 42,370.82/x
3. Step 3: Cross multiply
   76,361.67x = 105,379.57 × 42,370.82
4. Step 4: Simplify right side
   76,361.67x = 4,465,018,949.67
5. Step 5: Solve for x
   x = 4,465,018,949.67/76,361.67
6. Step 6: Final answer
   x = 58,471.99