Finding the Fourth Proportional to 76,348.80, 105,361.98 and 42,359.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,348.80 : 105,361.98 = 42,359.52 : x
2. Step 2: Convert to fraction form
   76,348.80/105,361.98 = 42,359.52/x
3. Step 3: Cross multiply
   76,348.80x = 105,361.98 × 42,359.52
4. Step 4: Simplify right side
   76,348.80x = 4,463,082,899.05
5. Step 5: Solve for x
   x = 4,463,082,899.05/76,348.80
6. Step 6: Final answer
   x = 58,456.49