Finding the Fourth Proportional to 76,304.70, 105,301.71 and 42,314.58

Step by Step Solution

1. Step 1: Write the proportion equation
   76,304.70 : 105,301.71 = 42,314.58 : x
2. Step 2: Convert to fraction form
   76,304.70/105,301.71 = 42,314.58/x
3. Step 3: Cross multiply
   76,304.70x = 105,301.71 × 42,314.58
4. Step 4: Simplify right side
   76,304.70x = 4,455,797,631.93
5. Step 5: Solve for x
   x = 4,455,797,631.93/76,304.70
6. Step 6: Final answer
   x = 58,394.80