Finding the Fourth Proportional to 70,764.68, 106,162.61 and 30,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   70,764.68 : 106,162.61 = 30,789.94 : x
2. Step 2: Convert to fraction form
   70,764.68/106,162.61 = 30,789.94/x
3. Step 3: Cross multiply
   70,764.68x = 106,162.61 × 30,789.94
4. Step 4: Simplify right side
   70,764.68x = 3,268,739,972.79
5. Step 5: Solve for x
   x = 3,268,739,972.79/70,764.68
6. Step 6: Final answer
   x = 46,191.69