Finding the Fourth Proportional to 89,476.72, 123,470.52 and 52,677.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,476.72 : 123,470.52 = 52,677.09 : x
2. Step 2: Convert to fraction form
   89,476.72/123,470.52 = 52,677.09/x
3. Step 3: Cross multiply
   89,476.72x = 123,470.52 × 52,677.09
4. Step 4: Simplify right side
   89,476.72x = 6,504,067,517.40
5. Step 5: Solve for x
   x = 6,504,067,517.40/89,476.72
6. Step 6: Final answer
   x = 72,690.06