Finding the Fourth Proportional to 76,273.59, 105,246.47 and 42,282.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,273.59 : 105,246.47 = 42,282.05 : x
2. Step 2: Convert to fraction form
   76,273.59/105,246.47 = 42,282.05/x
3. Step 3: Cross multiply
   76,273.59x = 105,246.47 × 42,282.05
4. Step 4: Simplify right side
   76,273.59x = 4,450,035,769.22
5. Step 5: Solve for x
   x = 4,450,035,769.22/76,273.59
6. Step 6: Final answer
   x = 58,343.07