Finding the Fourth Proportional to 13,869.81, 20,795.00 and 5,103.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,869.81 : 20,795.00 = 5,103.59 : x
2. Step 2: Convert to fraction form
   13,869.81/20,795.00 = 5,103.59/x
3. Step 3: Cross multiply
   13,869.81x = 20,795.00 × 5,103.59
4. Step 4: Simplify right side
   13,869.81x = 106,129,024.56
5. Step 5: Solve for x
   x = 106,129,024.56/13,869.81
6. Step 6: Final answer
   x = 7,651.80