Finding the Fourth Proportional to 13,160.00, 19,721.55 and 5,749.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,160.00 : 19,721.55 = 5,749.04 : x
2. Step 2: Convert to fraction form
   13,160.00/19,721.55 = 5,749.04/x
3. Step 3: Cross multiply
   13,160.00x = 19,721.55 × 5,749.04
4. Step 4: Simplify right side
   13,160.00x = 113,380,050.67
5. Step 5: Solve for x
   x = 113,380,050.67/13,160.00
6. Step 6: Final answer
   x = 8,615.50