Finding the Fourth Proportional to 55,793, 76,994.88 and 30,643.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,793 : 76,994.88 = 30,643.04 : x
2. Step 2: Convert to fraction form
   55,793/76,994.88 = 30,643.04/x
3. Step 3: Cross multiply
   55,793x = 76,994.88 × 30,643.04
4. Step 4: Simplify right side
   55,793x = 2,359,357,187.64
5. Step 5: Solve for x
   x = 2,359,357,187.64/55,793
6. Step 6: Final answer
   x = 42,287.69