Finding the Fourth Proportional to 13,004, 19,506.72 and 3,770.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004 : 19,506.72 = 3,770.72 : x
2. Step 2: Convert to fraction form
   13,004/19,506.72 = 3,770.72/x
3. Step 3: Cross multiply
   13,004x = 19,506.72 × 3,770.72
4. Step 4: Simplify right side
   13,004x = 73,554,379.24
5. Step 5: Solve for x
   x = 73,554,379.24/13,004
6. Step 6: Final answer
   x = 5,656.29