Finding the Fourth Proportional to 13,859.02, 20,796.73 and 5,100.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,859.02 : 20,796.73 = 5,100.09 : x
2. Step 2: Convert to fraction form
   13,859.02/20,796.73 = 5,100.09/x
3. Step 3: Cross multiply
   13,859.02x = 20,796.73 × 5,100.09
4. Step 4: Simplify right side
   13,859.02x = 106,065,194.71
5. Step 5: Solve for x
   x = 106,065,194.71/13,859.02
6. Step 6: Final answer
   x = 7,653.15