Finding the Fourth Proportional to 76,764.27, 105,933.09 and 42,772.62

Step by Step Solution

1. Step 1: Write the proportion equation
   76,764.27 : 105,933.09 = 42,772.62 : x
2. Step 2: Convert to fraction form
   76,764.27/105,933.09 = 42,772.62/x
3. Step 3: Cross multiply
   76,764.27x = 105,933.09 × 42,772.62
4. Step 4: Simplify right side
   76,764.27x = 4,531,035,804.00
5. Step 5: Solve for x
   x = 4,531,035,804.00/76,764.27
6. Step 6: Final answer
   x = 59,025.32