Finding the Fourth Proportional to 13,174.76, 19,762.17 and 5,383.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,174.76 : 19,762.17 = 5,383.57 : x
2. Step 2: Convert to fraction form
   13,174.76/19,762.17 = 5,383.57/x
3. Step 3: Cross multiply
   13,174.76x = 19,762.17 × 5,383.57
4. Step 4: Simplify right side
   13,174.76x = 106,391,025.55
5. Step 5: Solve for x
   x = 106,391,025.55/13,174.76
6. Step 6: Final answer
   x = 8,075.37