Finding the Fourth Proportional to 76,304.64, 105,297.48 and 42,314.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,304.64 : 105,297.48 = 42,314.52 : x
2. Step 2: Convert to fraction form
   76,304.64/105,297.48 = 42,314.52/x
3. Step 3: Cross multiply
   76,304.64x = 105,297.48 × 42,314.52
4. Step 4: Simplify right side
   76,304.64x = 4,455,612,323.41
5. Step 5: Solve for x
   x = 4,455,612,323.41/76,304.64
6. Step 6: Final answer
   x = 58,392.42