Finding the Fourth Proportional to 55,845, 77,066.10 and 30,693.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,845 : 77,066.10 = 30,693.96 : x
2. Step 2: Convert to fraction form
   55,845/77,066.10 = 30,693.96/x
3. Step 3: Cross multiply
   55,845x = 77,066.10 × 30,693.96
4. Step 4: Simplify right side
   55,845x = 2,365,463,790.76
5. Step 5: Solve for x
   x = 2,365,463,790.76/55,845
6. Step 6: Final answer
   x = 42,357.66