Finding the Fourth Proportional to 52,899.69, 79,387.89 and 19,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,899.69 : 79,387.89 = 19,624.50 : x
2. Step 2: Convert to fraction form
   52,899.69/79,387.89 = 19,624.50/x
3. Step 3: Cross multiply
   52,899.69x = 79,387.89 × 19,624.50
4. Step 4: Simplify right side
   52,899.69x = 1,557,947,647.31
5. Step 5: Solve for x
   x = 1,557,947,647.31/52,899.69
6. Step 6: Final answer
   x = 29,450.98