Finding the Fourth Proportional to 76,335.27, 105,342.69 and 42,801.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,335.27 : 105,342.69 = 42,801.27 : x
2. Step 2: Convert to fraction form
   76,335.27/105,342.69 = 42,801.27/x
3. Step 3: Cross multiply
   76,335.27x = 105,342.69 × 42,801.27
4. Step 4: Simplify right side
   76,335.27x = 4,508,800,917.22
5. Step 5: Solve for x
   x = 4,508,800,917.22/76,335.27
6. Step 6: Final answer
   x = 59,065.76