Finding the Fourth Proportional to 13,003.96, 19,491.62 and 5,104.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.96 : 19,491.62 = 5,104.10 : x
2. Step 2: Convert to fraction form
   13,003.96/19,491.62 = 5,104.10/x
3. Step 3: Cross multiply
   13,003.96x = 19,491.62 × 5,104.10
4. Step 4: Simplify right side
   13,003.96x = 99,487,177.64
5. Step 5: Solve for x
   x = 99,487,177.64/13,003.96
6. Step 6: Final answer
   x = 7,650.53