Finding the Fourth Proportional to 55,935, 77,190.32 and 30,783.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,935 : 77,190.32 = 30,783.96 : x
2. Step 2: Convert to fraction form
   55,935/77,190.32 = 30,783.96/x
3. Step 3: Cross multiply
   55,935x = 77,190.32 × 30,783.96
4. Step 4: Simplify right side
   55,935x = 2,376,223,723.27
5. Step 5: Solve for x
   x = 2,376,223,723.27/55,935
6. Step 6: Final answer
   x = 42,481.88