Finding the Fourth Proportional to 76,373.56, 105,392.72 and 42,383.53

Step by Step Solution

1. Step 1: Write the proportion equation
   76,373.56 : 105,392.72 = 42,383.53 : x
2. Step 2: Convert to fraction form
   76,373.56/105,392.72 = 42,383.53/x
3. Step 3: Cross multiply
   76,373.56x = 105,392.72 × 42,383.53
4. Step 4: Simplify right side
   76,373.56x = 4,466,915,352.38
5. Step 5: Solve for x
   x = 4,466,915,352.38/76,373.56
6. Step 6: Final answer
   x = 58,487.72