Finding the Fourth Proportional to 13,013.22, 19,520.00 and 4,579.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,013.22 : 19,520.00 = 4,579.98 : x
2. Step 2: Convert to fraction form
   13,013.22/19,520.00 = 4,579.98/x
3. Step 3: Cross multiply
   13,013.22x = 19,520.00 × 4,579.98
4. Step 4: Simplify right side
   13,013.22x = 89,401,186.70
5. Step 5: Solve for x
   x = 89,401,186.70/13,013.22
6. Step 6: Final answer
   x = 6,870.03