Finding the Fourth Proportional to 13,771.50, 19,003.56 and 7,804.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,771.50 : 19,003.56 = 7,804.08 : x
2. Step 2: Convert to fraction form
   13,771.50/19,003.56 = 7,804.08/x
3. Step 3: Cross multiply
   13,771.50x = 19,003.56 × 7,804.08
4. Step 4: Simplify right side
   13,771.50x = 148,305,302.52
5. Step 5: Solve for x
   x = 148,305,302.52/13,771.50
6. Step 6: Final answer
   x = 10,769.00