Finding the Fourth Proportional to 55,967.72, 77,235.38 and 30,817

Step by Step Solution

1. Step 1: Write the proportion equation
   55,967.72 : 77,235.38 = 30,817 : x
2. Step 2: Convert to fraction form
   55,967.72/77,235.38 = 30,817/x
3. Step 3: Cross multiply
   55,967.72x = 77,235.38 × 30,817
4. Step 4: Simplify right side
   55,967.72x = 2,380,162,705.46
5. Step 5: Solve for x
   x = 2,380,162,705.46/55,967.72
6. Step 6: Final answer
   x = 42,527.42