Finding the Fourth Proportional to 76,384.50, 105,411.33 and 42,851.22

Step by Step Solution

1. Step 1: Write the proportion equation
   76,384.50 : 105,411.33 = 42,851.22 : x
2. Step 2: Convert to fraction form
   76,384.50/105,411.33 = 42,851.22/x
3. Step 3: Cross multiply
   76,384.50x = 105,411.33 × 42,851.22
4. Step 4: Simplify right side
   76,384.50x = 4,517,004,092.32
5. Step 5: Solve for x
   x = 4,517,004,092.32/76,384.50
6. Step 6: Final answer
   x = 59,135.09