Finding the Fourth Proportional to 76,226.82, 105,189.98 and 42,235.81

Step by Step Solution

1. Step 1: Write the proportion equation
   76,226.82 : 105,189.98 = 42,235.81 : x
2. Step 2: Convert to fraction form
   76,226.82/105,189.98 = 42,235.81/x
3. Step 3: Cross multiply
   76,226.82x = 105,189.98 × 42,235.81
4. Step 4: Simplify right side
   76,226.82x = 4,442,783,535.03
5. Step 5: Solve for x
   x = 4,442,783,535.03/76,226.82
6. Step 6: Final answer
   x = 58,283.73