Finding the Fourth Proportional to 55,066.49, 75,974.69 and 30,864.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,066.49 : 75,974.69 = 30,864.10 : x
2. Step 2: Convert to fraction form
   55,066.49/75,974.69 = 30,864.10/x
3. Step 3: Cross multiply
   55,066.49x = 75,974.69 × 30,864.10
4. Step 4: Simplify right side
   55,066.49x = 2,344,890,352.47
5. Step 5: Solve for x
   x = 2,344,890,352.47/55,066.49
6. Step 6: Final answer
   x = 42,582.89