Finding the Fourth Proportional to 19,863.50, 29,795.85 and 5,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,863.50 : 29,795.85 = 5,072.69 : x
2. Step 2: Convert to fraction form
   19,863.50/29,795.85 = 5,072.69/x
3. Step 3: Cross multiply
   19,863.50x = 29,795.85 × 5,072.69
4. Step 4: Simplify right side
   19,863.50x = 151,145,184.83
5. Step 5: Solve for x
   x = 151,145,184.83/19,863.50
6. Step 6: Final answer
   x = 7,609.19