Finding the Fourth Proportional to 13,026.79, 19,532.31 and 5,119.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.79 : 19,532.31 = 5,119.84 : x
2. Step 2: Convert to fraction form
   13,026.79/19,532.31 = 5,119.84/x
3. Step 3: Cross multiply
   13,026.79x = 19,532.31 × 5,119.84
4. Step 4: Simplify right side
   13,026.79x = 100,002,302.03
5. Step 5: Solve for x
   x = 100,002,302.03/13,026.79
6. Step 6: Final answer
   x = 7,676.66