Finding the Fourth Proportional to 55,573.69, 76,691.69 and 30,423.19

Step by Step Solution

1. Step 1: Write the proportion equation
   55,573.69 : 76,691.69 = 30,423.19 : x
2. Step 2: Convert to fraction form
   55,573.69/76,691.69 = 30,423.19/x
3. Step 3: Cross multiply
   55,573.69x = 76,691.69 × 30,423.19
4. Step 4: Simplify right side
   55,573.69x = 2,333,205,740.62
5. Step 5: Solve for x
   x = 2,333,205,740.62/55,573.69
6. Step 6: Final answer
   x = 41,984.00