Finding the Fourth Proportional to 76,740.84, 105,892.92 and 42,741

Step by Step Solution

1. Step 1: Write the proportion equation
   76,740.84 : 105,892.92 = 42,741 : x
2. Step 2: Convert to fraction form
   76,740.84/105,892.92 = 42,741/x
3. Step 3: Cross multiply
   76,740.84x = 105,892.92 × 42,741
4. Step 4: Simplify right side
   76,740.84x = 4,525,969,293.72
5. Step 5: Solve for x
   x = 4,525,969,293.72/76,740.84
6. Step 6: Final answer
   x = 58,977.32