Finding the Fourth Proportional to 59,828.84, 89,715.82 and 20,369.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,828.84 : 89,715.82 = 20,369.89 : x
2. Step 2: Convert to fraction form
   59,828.84/89,715.82 = 20,369.89/x
3. Step 3: Cross multiply
   59,828.84x = 89,715.82 × 20,369.89
4. Step 4: Simplify right side
   59,828.84x = 1,827,501,384.66
5. Step 5: Solve for x
   x = 1,827,501,384.66/59,828.84
6. Step 6: Final answer
   x = 30,545.49