Finding the Fourth Proportional to 13,131.56, 19,697.52 and 4,366.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,131.56 : 19,697.52 = 4,366.48 : x
2. Step 2: Convert to fraction form
   13,131.56/19,697.52 = 4,366.48/x
3. Step 3: Cross multiply
   13,131.56x = 19,697.52 × 4,366.48
4. Step 4: Simplify right side
   13,131.56x = 86,008,806.63
5. Step 5: Solve for x
   x = 86,008,806.63/13,131.56
6. Step 6: Final answer
   x = 6,549.78