Finding the Fourth Proportional to 13,146.45, 19,707.98 and 4,824.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,146.45 : 19,707.98 = 4,824.56 : x
2. Step 2: Convert to fraction form
   13,146.45/19,707.98 = 4,824.56/x
3. Step 3: Cross multiply
   13,146.45x = 19,707.98 × 4,824.56
4. Step 4: Simplify right side
   13,146.45x = 95,082,319.93
5. Step 5: Solve for x
   x = 95,082,319.93/13,146.45
6. Step 6: Final answer
   x = 7,232.55