Finding the Fourth Proportional to 76,361.52, 105,376.88 and 42,369.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,361.52 : 105,376.88 = 42,369.88 : x
2. Step 2: Convert to fraction form
   76,361.52/105,376.88 = 42,369.88/x
3. Step 3: Cross multiply
   76,361.52x = 105,376.88 × 42,369.88
4. Step 4: Simplify right side
   76,361.52x = 4,464,805,760.37
5. Step 5: Solve for x
   x = 4,464,805,760.37/76,361.52
6. Step 6: Final answer
   x = 58,469.31