Finding the Fourth Proportional to 89,434.27, 123,367.89 and 55,841.95

Step by Step Solution

1. Step 1: Write the proportion equation
   89,434.27 : 123,367.89 = 55,841.95 : x
2. Step 2: Convert to fraction form
   89,434.27/123,367.89 = 55,841.95/x
3. Step 3: Cross multiply
   89,434.27x = 123,367.89 × 55,841.95
4. Step 4: Simplify right side
   89,434.27x = 6,889,103,544.99
5. Step 5: Solve for x
   x = 6,889,103,544.99/89,434.27
6. Step 6: Final answer
   x = 77,029.80