Finding the Fourth Proportional to 13,152.62, 19,726.27 and 4,829.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152.62 : 19,726.27 = 4,829.78 : x
2. Step 2: Convert to fraction form
   13,152.62/19,726.27 = 4,829.78/x
3. Step 3: Cross multiply
   13,152.62x = 19,726.27 × 4,829.78
4. Step 4: Simplify right side
   13,152.62x = 95,273,544.32
5. Step 5: Solve for x
   x = 95,273,544.32/13,152.62
6. Step 6: Final answer
   x = 7,243.69