Finding the Fourth Proportional to 76,841, 106,040.90 and 42,849.38

Step by Step Solution

1. Step 1: Write the proportion equation
   76,841 : 106,040.90 = 42,849.38 : x
2. Step 2: Convert to fraction form
   76,841/106,040.90 = 42,849.38/x
3. Step 3: Cross multiply
   76,841x = 106,040.90 × 42,849.38
4. Step 4: Simplify right side
   76,841x = 4,543,786,819.64
5. Step 5: Solve for x
   x = 4,543,786,819.64/76,841
6. Step 6: Final answer
   x = 59,132.32