Finding the Fourth Proportional to 76,493.67, 105,560.33 and 42,959.67

Step by Step Solution

1. Step 1: Write the proportion equation
   76,493.67 : 105,560.33 = 42,959.67 : x
2. Step 2: Convert to fraction form
   76,493.67/105,560.33 = 42,959.67/x
3. Step 3: Cross multiply
   76,493.67x = 105,560.33 × 42,959.67
4. Step 4: Simplify right side
   76,493.67x = 4,534,836,727.09
5. Step 5: Solve for x
   x = 4,534,836,727.09/76,493.67
6. Step 6: Final answer
   x = 59,283.82