Finding the Fourth Proportional to 76,334.27, 105,341.31 and 42,800.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,334.27 : 105,341.31 = 42,800.27 : x
2. Step 2: Convert to fraction form
   76,334.27/105,341.31 = 42,800.27/x
3. Step 3: Cross multiply
   76,334.27x = 105,341.31 × 42,800.27
4. Step 4: Simplify right side
   76,334.27x = 4,508,635,983.45
5. Step 5: Solve for x
   x = 4,508,635,983.45/76,334.27
6. Step 6: Final answer
   x = 59,064.38