Finding the Fourth Proportional to 59,901.50, 89,818.56 and 19,899.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,901.50 : 89,818.56 = 19,899.09 : x
2. Step 2: Convert to fraction form
   59,901.50/89,818.56 = 19,899.09/x
3. Step 3: Cross multiply
   59,901.50x = 89,818.56 × 19,899.09
4. Step 4: Simplify right side
   59,901.50x = 1,787,307,609.11
5. Step 5: Solve for x
   x = 1,787,307,609.11/59,901.50
6. Step 6: Final answer
   x = 29,837.44